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AI model history

What was the top AI model in ?

o1-preview from OpenAI, scoring 11.4 on the Intelligence Index at $29 per million tokens. It had been on top for 3 weeks.

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

Leaderboard

The top 10 on September 30, 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
    o1-previewClosed
    OpenAI · released Sep 12, 2024 · 3 weeks old
    Intelligence 11.4
    $29 /M
  2. 2
    o1-miniClosed
    OpenAI · released Sep 12, 2024 · 3 weeks old
    Intelligence 9.8
    No public price
  3. 3
    Claude 3 OpusClosed
    Anthropic · released Mar 4, 2024 · 7 months old
    Intelligence 8.7
    $30 /M
  4. 4
    Gemini 1.5 Pro (Sep '24)Closed
    Google · released Sep 24, 2024 · 6 days old
    Intelligence 7.9
    No public price
  5. 5
    GPT-4o (Aug '24)Closed
    OpenAI · released Aug 6, 2024 · 8 weeks old
    Intelligence 7.7
    $4.38 /M
  6. 6
    Qwen2.5 Instruct 72BOpen weights
    Alibaba · released Sep 19, 2024 · 11 days old
    Intelligence 7.7
    $0.48 /M
  7. 7
    GPT-4o (May '24)Closed
    OpenAI · released May 13, 2024 · 5 months old
    Intelligence 7.3
    $7.50 /M
  8. 8
    Llama 3.1 Instruct 405BOpen weights
    Meta · released Jul 23, 2024 · 2 months old
    Intelligence 7.3
    No public price
  9. 9
    Claude 3.5 Sonnet (June '24)Closed
    Anthropic · released Jun 21, 2024 · 3 months old
    Intelligence 7.2
    $6 /M
  10. 10
    Gemini 1.5 Flash (Sep '24)Closed
    Google · released Sep 24, 2024 · 6 days old
    Intelligence 7.1
    No public price

2 years later

What has happened since

#226Where o1-preview ranks today

430 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 46.2 points higher.

480×Cheaper for the same score

Qwen3.5 4B scores at least as well today for $0.06 per million tokens, against $29 for o1-preview back then.

5 monthsUntil it cost under $1

Grok 3 mini Reasoning matched it for $0.35 per million tokens on Feb 19, 2025.

4 monthsUntil open weights caught up

DeepSeek R1 (Jan '25) from DeepSeek matched it on Jan 20, 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

70 models were out on Sep 30, 2024

Best open model
Qwen2.5 Instruct 72B

Alibaba, scoring 7.7. #6 overall, 3.7 points behind.

Best under $1 per million
Qwen2.5 Instruct 72B

Alibaba, scoring 7.7. #6 overall at $0.48, 60× cheaper than #1.

New in the 30 days before · 15
  • LFM 40B5.4
  • Llama 3.2 Instruct 90B (Vision)6.4
  • Llama 3.2 Instruct 3B5.7
  • Molmo 7B-D5.6
  • Llama 3.2 Instruct 11B (Vision)5.4
  • Llama 3.2 Instruct 1B4.8
and 9 more

Browse

The top AI model, month by month

2026
2025
2024
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.