ChatGPT serves more than 800 million weekly active users and crossed 900 million weekly active users by late February 2026, according to OpenAI. Google Gemini hit 650 million monthly active users in November 2025. Anthropic’s Claude now serves more than 300,000 business customers, with over 500 spending more than $1 million annually. Perplexity processes around 780 million search queries every month and is valued at over $20 billion.
These four numbers describe four different races: consumer reach, distribution scale, enterprise wallets, and search replacement.
Key Takeaways
- ChatGPT processes over 6 billion tokens per minute on its API.
- Anthropic’s Claude leads the enterprise LLM market with 32% share by usage, compared with OpenAI’s 25%, per Menlo Ventures.
- Google Gemini reaches over 2 billion users monthly through AI Overviews in Search, separate from the standalone Gemini app.
- Perplexity attracts approximately 170 million global visitors per month and is valued at $22.6 billion as of January 2026.
- ChatGPT’s web-traffic share fell 19.2 percentage points in twelve months, from 87.2% in January 2025 to approximately 68% in January 2026, per Similarweb.
- 81% of enterprises now run three or more model families concurrently, ending the single-vendor era for AI procurement.
- 93% of Fortune 500 companies use OpenAI products as of late 2025, up from 80% in 2024.
Editor’s Choice
- ChatGPT’s weekly active users reached 900 million as of February 27, 2026.
- Google Gemini hit 650 million monthly active users in November 2025.
- Perplexity had approximately 45 million monthly active users in 2026.
- OpenAI’s annualized revenue run rate reached $25 billion in February 2026.
- Anthropic’s annualized revenue run rate reached $14 billion by February 2026.
- Gemini 3.1 Pro Preview leads MMLU at 94.1%, ahead of GPT-5.2 at 91.4% and Claude Opus 4.6 at 90.5%.
- Total enterprise LLM spend reached $8.4 billion in 2025.
Recent Developments
- February 27, 2026: OpenAI confirmed ChatGPT crossed 900 million weekly active users, a 12.5% increase over the 800 million milestone reported in October 2025.
- February 2026: OpenAI’s annualized revenue run rate hit $25 billion, up from the $20 billion end-of-2025 figure cited by CFO Sarah Friar.
- February 2026: Anthropic’s annualized revenue run rate reached $14 billion, up from $1 billion at the end of 2024.
- January 9, 2026: Perplexity’s valuation reached $22.6 billion.
- April 2026: First Page Sage’s chatbot share report ranks ChatGPT at 60.4%, Gemini at 15.2%, Microsoft Copilot at 14.4%, Claude at 4.2%, and Perplexity at 2.8%.
- May 2026: LM Council benchmarks show MMLU saturation, with Gemini 3.1 Pro Preview at 94.1% narrowly leading GPT-5.2 at 91.4%.
Active User Counts: ChatGPT vs Claude vs Gemini vs Perplexity
- ChatGPT serves more than 800 million people every week, with the platform processing over 6 billion tokens per minute on the API.
- ChatGPT’s growth from 100 million weekly active users in late 2023 to 900 million in early 2026 represents a 9-fold increase in 27 months.
- Google Gemini reached 650 million monthly active users by November 2025, a 357% increase from its February 2024 launch.
- Gemini-powered AI Overviews reach 2 billion monthly users through Google Search integration.
- Anthropic’s Claude serves more than 300,000 business customers, with over 500 spending more than $1 million annually.
- Perplexity had roughly 45 million monthly active users in 2026, with about 2 million daily users.
- Perplexity processes around 780 million search queries every month.
| Platform | Active Users | Frequency | Source / Date |
| ChatGPT | 900 million | Weekly | OpenAI, Feb 27 2026 |
| Google Gemini | 650 million | Monthly | Google, Nov 2025 |
| Perplexity | ~45 million | Monthly | Perplexity disclosures, 2026 |
| Claude | 300,000 business customers | Active accounts | Anthropic, Mar 2026 |
Source: OpenAI, Google, Anthropic, Perplexity
Each company picks the metric that maps to its product. See Claude vs ChatGPT data for the two-way head-to-head.
By the numbers: OpenAI reports ChatGPT crossed 900 million weekly active users by February 27, 2026, up from 100 million in late 2023, a 9-fold increase in 27 months. The platform processes over 6 billion tokens per minute on its API.
Pricing and Subscription Tiers
- OpenAI’s API processes over 6 billion tokens per minute.
- Subscription pricing details for each platform are listed in the table below.
| Tier | ChatGPT | Claude | Gemini Advanced | Perplexity Pro |
| Free tier | Yes (rate-limited) | Yes (rate-limited) | Yes (basic) | Yes (limited Pro Search) |
| Consumer Pro | $20/month | $20/month | $19.99/month | $20/month or $200/year |
| Team | $25/user/month | $25/user/month | Workspace pricing | Enterprise quote |
| Enterprise | Custom | Custom | Custom (Vertex AI) | Custom |
Source: OpenAI, Anthropic, Google, Perplexity public pricing pages
See Microsoft 365 statistics for the bundling playbook Google is borrowing.
Annual Revenue and Run Rate
- OpenAI hit $25 billion in annualized revenue in February 2026, up from $20 billion at the end of 2025.
- CFO Sarah Friar confirmed OpenAI’s full-year 2025 figure at $20 billion, alongside $6 billion in 2024 and $2 billion in 2023.
- Anthropic’s annualized revenue run rate reached $14 billion by February 2026, up from $1 billion at the end of 2024.
- Anthropic projects approximately $26 billion in revenue for full-year 2026.
- Perplexity’s annual recurring revenue reached approximately $200 million in September 2025, up from $80 million at the end of 2024.
- Total enterprise LLM spend reached $8.4 billion in 2025, per Menlo Ventures.
Key finding: Menlo Ventures reports total enterprise LLM spend reached $8.4 billion in 2025, with Anthropic capturing 32% of the enterprise LLM market share by usage and 42% of the enterprise coding market, the largest share by a wide margin. Enterprise wallet share, not consumer chat sessions, is the metric that scales with revenue.
Enterprise Adoption and Fortune Penetration
- Anthropic now holds 32% of the enterprise large language model market share by usage, compared with OpenAI’s 25%, per Menlo Ventures.
- OpenAI held 50% of the enterprise market share by usage just two years ago, while Anthropic had 12%.
- Anthropic captures 42% of the enterprise market share for coding, more than double OpenAI’s 21%.
- 93% of Fortune 500 companies now use OpenAI products as of late 2025, up from 80% in 2024.
- Microsoft separately reported generative AI deployment in 85% of Fortune 500 companies through its platforms.
- 44% of enterprises use Claude in production, rising to 63% including testing, per Andreessen Horowitz’s survey of 100 CIOs at Global 2000 companies.
- 78% of Global 2000 enterprises use OpenAI models in production, per Andreessen Horowitz.
- 81% of enterprises run three or more model families concurrently, ending single-vendor AI procurement.
The order flipped without OpenAI shrinking; Anthropic grew faster on enterprise floors.
Why it matters: Survey data shows 81% of enterprises run three or more model families concurrently. The single-vendor AI strategy is dead in regulated industries.
Accuracy Benchmarks (MMLU, GPQA, SWE-Bench)
- On the MMLU benchmark, Gemini 3.1 Pro Preview leads at 94.1%, followed by GPT-5.2 at 91.4% and Claude Opus 4.6 with 32k thinking at 90.5%, per the LM Council’s benchmark suite.
- MMLU is now considered saturated at 88-94% for top models and no longer differentiates frontier models.
- Frontier labs increasingly rely on GPQA Diamond, SWE-bench Verified or SWE-bench Pro, AIME 2025, ARC-AGI 2, and Humanity’s Last Exam for benchmark differentiation.
- Perplexity does not train its own frontier model.
Capability rankings shift quickly while public perception lags. See AI job loss statistics for the workforce impact.
Web Traffic Market Share Comparison
- ChatGPT holds approximately 68% of the AI chatbot web traffic market share as of January 2026, down from 87.2% in January 2025.
- Google Gemini holds approximately 18.2% of the AI chatbot web traffic market share as of January 2026, up from 5.4% a year earlier.
- Claude holds approximately 2% market share, Perplexity holds approximately 2% market share, and DeepSeek holds 4%, per Similarweb.
- First Page Sage’s April 2026 measurement places ChatGPT at 60.4%, Gemini at 15.2%, Microsoft Copilot at 14.4%, Claude at 4.2%, and Perplexity at 2.8%.
- Gemini’s market share has nearly tripled in twelve months, rising from 5.7% in early 2025 to 15.2% by April 2026.
The two trackers disagree on the absolute share but agree on the direction.
Coding Benchmarks Head-to-Head
- Claude Opus 4.6 achieves 65.4% on Terminal-Bench 2.0, the industry-leading score on coding benchmarks.
- Anthropic captures 42% of the enterprise market share for coding workloads, the largest share by a wide margin.
- OpenAI captures 21% of the enterprise coding market, half of Anthropic’s 42% share.
- SWE-bench Verified and SWE-bench Pro serve as benchmarks that frontier labs increasingly rely on for model comparison.
| Coding Metric | Claude Opus 4.6 | OpenAI Models | Gemini Models |
| Terminal-Bench 2.0 | 65.4% (industry-leading) | Below Claude | Below Claude |
| Enterprise coding share (Menlo) | 42% | 21% | Not separately reported |
| Primary 2026 benchmark | SWE-bench Pro | SWE-bench Pro | SWE-bench Pro |
Source: LM Council, Menlo Ventures
Claude’s coding lead translates to enterprise dollars, with Claude becoming the default choice in the IDE assistant market.
Mobile Reach and App Downloads
- Google Gemini received roughly 2.1 billion site visits in February 2026 alone.
- Gemini-powered AI Overviews reach 2 billion monthly users through Google Search integration.
- Perplexity attracts approximately 170 million global visitors each month.
- More than 800 million people use ChatGPT every week.
- Anthropic publishes business customer counts rather than mobile or web traffic figures, which is consistent with its enterprise-first positioning.
| Surface | ChatGPT | Gemini | Claude | Perplexity |
| Headline reach | 900 million weekly | 650 million monthly + 2 billion via Overviews | 300,000 business customers | 45 million monthly + 170 million visits |
| Mobile app | iOS, Android | iOS, Android, native Pixel | iOS, Android | iOS, Android, Comet browser |
| Search integration | ChatGPT Search | Native (AI Overviews) | None | Native (Pro Search) |
| Voice mode | Advanced Voice | Live Voice | None on consumer Claude | Voice in Comet |
Source: OpenAI, Google, Anthropic, Perplexity
Investor Funding and Valuation
- Perplexity AI is valued at $22.6 billion as of January 9, 2026.
- Perplexity has raised total funding that reached $1.5 billion with participation from Nvidia, Jeff Bezos, and SoftBank.
- Aravind Srinivas previously held research positions at OpenAI and Google DeepMind before founding Perplexity.
- OpenAI’s reported fundraising implies the highest private valuation among the four; precise figures remain non-public.
- Anthropic’s last reported Series E placed the company at $61.5 billion, with subsequent rounds suggesting ongoing markups.
- Gemini has no standalone investor backing; it sits within Alphabet.
| Company | Valuation (latest) | Total Funding | Lead / Notable Investors |
| OpenAI (ChatGPT) | Implied $500 billion+ private | $122 billion+ raised cumulatively | Microsoft, SoftBank, sovereign funds |
| Anthropic (Claude) | $61.5 billion (Series E reported) | Multi-billion across rounds | Google, Amazon, Menlo Ventures |
| Perplexity | $22.6 billion (January 2026) | $1.5 billion+ | Nvidia, Jeff Bezos, SoftBank |
| Google Gemini | Public via Alphabet (~$2 trillion+ market cap) | Funded internally | Alphabet shareholders |
Source: TechCrunch, The Information, Fortune, Wikipedia
The takeaway: Anthropic’s annualized revenue run rate reached $14 billion by February 2026. Perplexity is valued at $22.6 billion as of January 9, 2026. Investors are paying enterprise revenue multiples for Anthropic and search-disruption multiples for Perplexity.
Year-Over-Year Growth Rates
- ChatGPT grew from 100 million weekly active users in late 2023 to 900 million in early 2026, a 9-fold increase in 27 months.
- Google Gemini grew 357% in monthly active users from its February 2024 launch to November 2025.
- Anthropic’s annualized revenue grew from $1 billion at the end of 2024 to $14 billion by February 2026, a 14-fold increase in 14 months.
- Perplexity’s annual recurring revenue grew from $80 million at the end of 2024 to approximately $200 million by September 2025.
- Gemini’s web-traffic share grew from 5.4% in January 2025 to approximately 18.2% in January 2026, a 3.4x increase in twelve months, per Similarweb.
- Anthropic posted the largest enterprise share gain of any frontier lab since May 2025, up 25% in enterprise penetration.
| Growth Metric | ChatGPT | Gemini | Claude | Perplexity |
| User growth | 9x in 27 months | 357% since launch | 300,000+ business customers | 22 million to 45 million MAU |
| Revenue growth | $6B to $25B (4.2x in 14 months) | Not broken out | $1B to $14B (14x in 14 months) | $80M to $200M (2.5x in 9 months) |
| Web share change | Down 19.2 points YoY | Up 12.8 points YoY | Flat to slightly up | Flat to slightly up |
| Enterprise share trend | 50% to 25% (2 years) | Rising via Cloud | 12% to 32% (2 years) | n/a |
Source: OpenAI, Google, Anthropic, Perplexity, Similarweb, Menlo Ventures
Developer Ecosystem and API Adoption
- OpenAI’s API processes over 6 billion tokens per minute.
- More than 13 million developers build applications on Google Gemini.
- Over 70% of Google Cloud customers actively use Gemini.
- Anthropic now serves more than 300,000 business customers.
- Perplexity’s Sonar API serves a smaller, retrieval-focused niche.
| API / Developer Surface | OpenAI | Google Gemini | Anthropic Claude | Perplexity |
| Developer count | Not disclosed | 13 million+ | 300,000+ business customers | Not disclosed |
| Throughput | 6 billion tokens/minute | Hosted on Vertex AI | Bedrock + direct API | Sonar API |
| Cloud partnerships | Microsoft Azure | Google Cloud | AWS Bedrock, Google Cloud | Hosted infra |
| Enterprise share (coding) | 21% | n/a | 42% | n/a |
Source: OpenAI, Google, Anthropic, Menlo Ventures
Distribution decides API winners; broader API usage statistics show how developer integrations now drive AI consumption.
AI Search Citation Share (Perplexity-Led Metric)
- Perplexity processes around 780 million search queries every month.
- Google’s AI Overviews, powered by Gemini, reach 2 billion monthly users by integrating directly into Search results.
- ChatGPT now serves more than 800 million weekly active users.
- Claude has no native search product.
| Search Surface | Monthly Reach | Native Citations | Indexing Approach |
| ChatGPT Search | 800 million+ weekly | Yes (since November 2024) | OpenAI partner index |
| Google AI Overviews (Gemini) | 2 billion monthly | Inline citations | Google Search index |
| Perplexity Pro Search | 45 million MAU, 780 million queries/month | Yes (numbered citations) | Perplexity index + partners |
| Claude (web browsing) | Limited rollout | Partial | Partner-fed |
Source: OpenAI, Google, Perplexity, Anthropic
Google’s broader search query data shows the funnel scale. Claude has no primary search surface, consistent with Anthropic’s enterprise focus.
Frequently Asked Questions (FAQs)
ChatGPT reports 900 million weekly active users as of February 2026, per OpenAI. Google Gemini reaches roughly 650 million monthly active users, plus another 2 billion monthly through AI Overviews in Search. Perplexity has approximately 45 million monthly active users. Claude reports 300,000+ business customers.
Anthropic’s Claude leads enterprise LLM market share at 32% by usage, ahead of OpenAI at 25%, per Menlo Ventures. The order flipped from two years prior, when OpenAI held 50%, and Anthropic held 12%. Anthropic’s lead is even larger in coding workloads at 42% versus OpenAI’s 21%.
Perplexity targets a different category. The platform processes around 780 million search queries per month and is valued at over $20 billion. Perplexity reports roughly 45 million monthly active users. The product replaces Google search rather than competing in general chat.
OpenAI reports $25 billion in annualized revenue as of February 2026. Anthropic’s annualized revenue run rate reached $14 billion by February 2026. Perplexity reached approximately $200 million in annual recurring revenue by September 2025. Google does not break out Gemini revenue separately within Alphabet’s reporting.
On MMLU, Gemini 3.1 Pro Preview leads at 94.1%, ahead of GPT-5.2 at 91.4% and Claude Opus 4.6 at 90.5%, per the LM Council’s benchmarks. MMLU is now considered saturated. Claude Opus 4.6 leads coding benchmarks with 65.4% on Terminal-Bench 2.0.
Anthropic’s annualized revenue ran from $1 billion at the end of 2024 to $14 billion by February 2026. OpenAI reported $6 billion in 2024 revenue and a $25 billion annualized run rate by early 2026. Anthropic gained the larger relative share inside enterprises while OpenAI scaled faster on the consumer web.
Conclusion
The four leading AI chatbots no longer compete on the same axis. ChatGPT serves 900 million weekly active users. OpenAI hit $25 billion in annualized revenue. Anthropic holds 32% enterprise LLM share by usage. Anthropic’s annualized revenue run rate reached $14 billion by February 2026. Google Gemini scales through distribution: 650 million standalone monthly users plus 2 billion monthly through AI Overviews. Perplexity carves a search-replacement niche with around 780 million monthly queries. Perplexity’s valuation reached $22.6 billion as of January 2026.
The shift to a multi-model strategy now sees 81% of enterprises run three or more model families concurrently. Web-traffic share peaked for ChatGPT at 87.2% and has fallen by 19.2 percentage points in twelve months, per Similarweb. Gemini, Claude, and Perplexity each captured a share that maps to a different buyer and a different workload.
The ranking depends on the metric, which is why the market continues to fragment. Tracker pages for each platform remain the fastest way to follow updates as metrics evolve.