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AI model history

What was the top AI model on ?

Claude 4.1 Opus from Anthropic, scoring 22.8 on the Intelligence Index at $30 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 August 5, 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
    Claude 4.1 OpusClosed
    Anthropic · released Aug 5, 2025 · out that day
    Intelligence 22.8
    $30 /M
  2. 2
    Grok 4Closed
    xAI · released Jul 10, 2025 · 4 weeks old
    Intelligence 22.5
    $6 /M
  3. 3
    o3-proClosed
    OpenAI · released Jun 10, 2025 · 8 weeks old
    Intelligence 21.9
    $35 /M
  4. 4
    Claude 4 OpusClosed
    Anthropic · released May 22, 2025 · 2 months old
    Intelligence 20.6
    $30 /M
  5. 5
    o3Closed
    OpenAI · released Apr 16, 2025 · 4 months old
    Intelligence 20.2
    $3.50 /M
  6. 6
    Claude 4 SonnetClosed
    Anthropic · released May 22, 2025 · 2 months old
    Intelligence 18.9
    $6 /M
  7. 7
    Claude 3.7 SonnetClosed
    Anthropic · released Feb 24, 2025 · 5 months old
    Intelligence 17.7
    $6 /M
  8. 8
    o4-miniClosed
    OpenAI · released Apr 16, 2025 · 4 months old
    Intelligence 16.7
    $1.93 /M
  9. 9
    Gemini 2.5 ProClosed
    Google · released Jun 5, 2025 · 2 months old
    Intelligence 16.1
    $3.44 /M
  10. 10
    o1Closed
    OpenAI · released Dec 5, 2024 · 8 months old
    Intelligence 15.2
    $26 /M

14 months later

What has happened since

#109Where Claude 4.1 Opus ranks today

297 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 34.8 points higher.

215×Cheaper for the same score

DeepSeek V4 Flash 0420 scores at least as well today for $0.14 per million tokens, against $30 for Claude 4.1 Opus back then.

6 monthsUntil it cost under $1

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

6 monthsUntil open weights caught up

Kimi K2.5 from Kimi matched it on Jan 27, 2026, 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

203 models were out on Aug 5, 2025

Best open model
DeepSeek R1 0528 (May '25)

DeepSeek, scoring 13.1. #15 overall, 9.7 points behind.

Best under $1 per million
Grok 3 mini Reasoning

xAI, scoring 14.6. #12 overall at $0.35, 85× cheaper than #1.

New in the 30 days before · 22
  • Claude 4.1 Opus22.8
  • gpt-oss-120b11.6
  • gpt-oss-20b10
  • Qwen3 Coder 30B A3B Instruct9.6
  • Qwen3 30B A3B 25079.8
  • Qwen3 30B A3B 2507 Instruct7.5
and 16 more

Browse

The top AI model, month by month

2026
2025
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2023
2022

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.