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What was the top AI model on ?

o1-preview from OpenAI, scoring 11.4 on the Intelligence Index at $29 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 September 12, 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 · out that day
    Intelligence 11.4
    $29 /M
  2. 2
    o1-miniClosed
    OpenAI · released Sep 12, 2024 · out that day
    Intelligence 9.8
    No public price
  3. 3
    Claude 3 OpusClosed
    Anthropic · released Mar 4, 2024 · 6 months old
    Intelligence 8.7
    $30 /M
  4. 4
    GPT-4o (Aug '24)Closed
    OpenAI · released Aug 6, 2024 · 5 weeks old
    Intelligence 7.7
    $4.38 /M
  5. 5
    GPT-4o (May '24)Closed
    OpenAI · released May 13, 2024 · 4 months old
    Intelligence 7.3
    $7.50 /M
  6. 6
    Llama 3.1 Instruct 405BOpen weights
    Meta · released Jul 23, 2024 · 7 weeks old
    Intelligence 7.3
    No public price
  7. 7
    Claude 3.5 Sonnet (June '24)Closed
    Anthropic · released Jun 21, 2024 · 3 months old
    Intelligence 7.2
    $6 /M
  8. 8
    GPT-4 TurboClosed
    OpenAI · released Nov 6, 2023 · 10 months old
    Intelligence 7
    $15 /M
  9. 9
    Llama 3.1 Instruct 8BOpen weights
    Meta · released Jul 23, 2024 · 7 weeks old
    Intelligence 6.9
    $0.04 /M
  10. 10
    Grok BetaClosed
    xAI · released Aug 13, 2024 · 4 weeks old
    Intelligence 6.9
    No public price

2 years later

What has happened since

#226Where o1-preview ranks today

442 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

58 models were out on Sep 12, 2024

Best open model
Llama 3.1 Instruct 405B

Meta, scoring 7.3. #6 overall, 4.1 points behind.

Best under $1 per million
Llama 3.1 Instruct 8B

Meta, scoring 6.9. #9 overall at $0.04, 720× cheaper than #1.

New in the 30 days before · 6
  • o1-preview11.4
  • o1-mini9.8
  • DeepSeek-V2.56.6
  • Jamba 1.5 Large6
  • Jamba 1.5 Mini5.2
  • Hermes 3 - Llama-3.1 70B6

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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.