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AI model history

What was the top AI model on ?

o3-pro from OpenAI, scoring 21.9 on the Intelligence Index at $35 per million tokens. It came out that very day.

Top Intelligence Index score on each day. Click anywhere to go there.

Leaderboard

The top 10 on June 10, 2025

Ranked by the Artificial Analysis Intelligence Index, with each model's price on that day (per million tokens, 3 parts input to 1 part output).

  1. 1
    o3-proClosed
    OpenAI · released Jun 10, 2025 · out that day
    Intelligence 21.9
    $35 /M
  2. 2
    Claude 4 OpusClosed
    Anthropic · released May 22, 2025 · 3 weeks old
    Intelligence 20.6
    $30 /M
  3. 3
    o3Closed
    OpenAI · released Apr 16, 2025 · 8 weeks old
    Intelligence 20.2
    $3.50 /M
  4. 4
    Claude 4 SonnetClosed
    Anthropic · released May 22, 2025 · 3 weeks old
    Intelligence 18.9
    $6 /M
  5. 5
    Claude 3.7 SonnetClosed
    Anthropic · released Feb 24, 2025 · 3 months old
    Intelligence 17.7
    $6 /M
  6. 6
    o4-miniClosed
    OpenAI · released Apr 16, 2025 · 8 weeks old
    Intelligence 16.7
    $1.93 /M
  7. 7
    Gemini 2.5 ProClosed
    Google · released Jun 5, 2025 · 5 days old
    Intelligence 16.1
    $3.44 /M
  8. 8
    o1Closed
    OpenAI · released Dec 5, 2024 · 6 months old
    Intelligence 15.2
    $26 /M
  9. 9
    Gemini 2.5 Pro Preview (Mar' 25)Closed
    Google · released Mar 25, 2025 · 3 months old
    Intelligence 15
    No public price
  10. 10
    Grok 3 mini ReasoningClosed
    xAI · released Feb 19, 2025 · 4 months old
    Intelligence 14.6
    $0.35 /M

16 months later

What has happened since

#119Where o3-pro ranks today

326 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 35.7 points higher.

350×Cheaper for the same score

Hy3-preview scores at least as well today for $0.10 per million tokens, against $35 for o3-pro back then.

8 monthsUntil it cost under $1

MiniMax-M2.5 matched it for $0.53 per million tokens on Feb 12, 2026.

5 monthsUntil open weights caught up

Kimi K2 Thinking from Kimi matched it on Nov 6, 2025, free to download and run.

The race

Which lab held the top spot

OpenAI led for 2.5 years of the 4 years since ChatGPT launched. Anthropic has held #1 since Apr 16, 2026, 6 models in a row. We rank by the Artificial Analysis Intelligence Index. Other leaderboards, such as LMArena's human votes, crown different models.

  • OpenAI65%2.5 years at #1 across 12 models. Longest: GPT-4, 8 months.
  • Anthropic33%15 months at #1 across 11 models. Longest: Claude 3 Opus, 6 months.
  • xAI2%4 weeks at #1 across 1 model. Longest: Grok 4, 4 weeks.
  • Google<1%6 days at #1 across 1 model. Longest: Gemini 3 Pro Preview, 6 days.

The wider field

174 models were out on Jun 10, 2025

Best open model
DeepSeek R1 0528 (May '25)

DeepSeek, scoring 13.1. #13 overall, 8.8 points behind.

Best under $1 per million
Grok 3 mini Reasoning

xAI, scoring 14.6. #10 overall at $0.35, 100× cheaper than #1.

New in the 30 days before · 14
  • o3-pro21.9
  • Magistral Medium 19.1
  • Magistral Small 18.2
  • Gemini 2.5 Pro16.1
  • DeepSeek R1 0528 Qwen3 8B8.1
  • DeepSeek R1 0528 (May '25)13.1
and 8 more

Browse

The top AI model, month by month

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Try today's top models on your own prompt

Scores tell you who leads on average. Send one prompt to up to six models and see which answer you'd actually use, with what each one cost. For the long view of prices, read Six months later, the best AI costs 20× less.

Compare models

Scores and release dates from Artificial Analysis (Intelligence Index, best published effort of each model), data through October 18, 2026. Prices are list prices on the day, including later cuts we know of. Models without a public price are ranked but not priced.