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AI model history

What was the top AI model on ?

GPT-5.4 from OpenAI, scoring 39 on the Intelligence Index at $5.62 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 March 5, 2026

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
    GPT-5.4Closed
    OpenAI · released Mar 5, 2026 · out that day
    Intelligence 39
    $5.62 /M
  2. 2
    GPT-5.3 CodexClosed
    OpenAI · released Feb 5, 2026 · 4 weeks old
    Intelligence 32.5
    $4.81 /M
  3. 3
    Claude Opus 4.6Closed
    Anthropic · released Feb 5, 2026 · 4 weeks old
    Intelligence 31.9
    $10 /M
  4. 4
    GPT-5.2Closed
    OpenAI · released Dec 11, 2025 · 3 months old
    Intelligence 30.4
    $4.81 /M
  5. 5
    Claude Sonnet 4.6Closed
    Anthropic · released Feb 17, 2026 · 2 weeks old
    Intelligence 30.1
    $6 /M
  6. 6
    Gemini 3.1 Pro PreviewClosed
    Google · released Feb 19, 2026 · 2 weeks old
    Intelligence 29.7
    $4.50 /M
  7. 7
    Claude Opus 4.5Closed
    Anthropic · released Nov 24, 2025 · 3 months old
    Intelligence 29.1
    $10 /M
  8. 8
    GPT-5.2 CodexClosed
    OpenAI · released Dec 11, 2025 · 3 months old
    Intelligence 28.5
    $4.81 /M
  9. 9
    Gemini 3 Pro PreviewClosed
    Google · released Nov 18, 2025 · 4 months old
    Intelligence 28
    $4.50 /M
  10. 10
    GLM-5Open weights
    Z.ai · released Feb 11, 2026 · 3 weeks old
    Intelligence 27.9
    $1.55 /M

7 months later

What has happened since

#34Where GPT-5.4 ranks today

156 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 18.6 points higher.

30×Cheaper for the same score

Claude Haiku 5.5 scores at least as well today for $0.20 per million tokens, against $5.62 for GPT-5.4 back then.

6 monthsUntil it cost under $1

GLM-5.3-Flash matched it for $0.12 per million tokens on Aug 26, 2026.

4 monthsUntil open weights caught up

Kimi K3 from Kimi matched it on Jul 16, 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

344 models were out on Mar 5, 2026

Best open model
GLM-5

Z.ai, scoring 27.9. #10 overall, 11.1 points behind.

Best under $1 per million
Qwen3.5 27B

Alibaba, scoring 22.9. #17 overall at $0.82, 7× cheaper than #1.

New in the 30 days before · 22
  • GPT-5.439
  • Gemini 3.1 Flash-Lite15.6
  • Qwen3.5 9B13.3
  • Qwen3.5 4B13.1
  • Qwen3.5 2B6.9
  • Qwen3.5 0.8B6.1
and 16 more

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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.