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AI model history

What was the top AI model in ?

o1 from OpenAI, scoring 15.2 on the Intelligence Index at $26 per million tokens. It had been on top for 4 weeks.

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

Leaderboard

The top 10 on December 31, 2024

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
    o1Closed
    OpenAI · released Dec 5, 2024 · 4 weeks old
    Intelligence 15.2
    $26 /M
  2. 2
    o1-previewClosed
    OpenAI · released Sep 12, 2024 · 4 months old
    Intelligence 11.4
    $29 /M
  3. 3
    o1-miniClosed
    OpenAI · released Sep 12, 2024 · 4 months old
    Intelligence 9.8
    No public price
  4. 4
    Claude 3.5 HaikuClosed
    Anthropic · released Oct 22, 2024 · 2 months old
    Intelligence 8.9
    No public price
  5. 5
    Claude 3 OpusClosed
    Anthropic · released Mar 4, 2024 · 10 months old
    Intelligence 8.7
    $30 /M
  6. 6
    DeepSeek V3 (Dec '24)Open weights
    DeepSeek · released Dec 26, 2024 · 5 days old
    Intelligence 8.5
    $0.46 /M
  7. 7
    GPT-4o (Nov '24)Closed
    OpenAI · released Nov 20, 2024 · 6 weeks old
    Intelligence 8.4
    $4.38 /M
  8. 8
    Gemini 2.0 Flash (experimental)Closed
    Google · released Dec 11, 2024 · 3 weeks old
    Intelligence 8.2
    No public price
  9. 9
    Gemini 1.5 Pro (Sep '24)Closed
    Google · released Sep 24, 2024 · 3 months old
    Intelligence 7.9
    No public price
  10. 10
    Claude 3.5 Sonnet (Oct '24)Closed
    Anthropic · released Oct 22, 2024 · 2 months old
    Intelligence 7.9
    $6 /M

2 years later

What has happened since

#171Where o1 ranks today

407 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 42.4 points higher.

265×Cheaper for the same score

Hy3-preview scores at least as well today for $0.10 per million tokens, against $26 for o1 back then.

7 monthsUntil it cost under $1

GPT-5 mini matched it for $0.69 per million tokens on Aug 7, 2025.

8 monthsUntil open weights caught up

Kimi K2 0905 from Kimi matched it on Sep 5, 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

93 models were out on Dec 31, 2024

Best open model
DeepSeek V3 (Dec '24)

DeepSeek, scoring 8.5. #6 overall, 6.7 points behind.

Best under $1 per million
DeepSeek V3 (Dec '24)

DeepSeek, scoring 8.5. #6 overall at $0.46, 55× cheaper than #1.

New in the 30 days before · 11
  • DeepSeek V3 (Dec '24)8.5
  • Gemini 2.0 Flash Thinking Experimental (Dec '24)6.6
  • Grok 2 (Dec '24)7.1
  • Phi-45.9
  • Gemini 2.0 Flash (experimental)8.2
  • DeepSeek-V2.5 (Dec '24)6.6
and 5 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.