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AI model history

What was the top AI model in ?

GPT-4 from OpenAI, scoring 6.7 on the Intelligence Index at $38 per million tokens. It had been on top for 7 months.

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

Leaderboard

The top 10 on September 30, 2023

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). The index uses today's harder tests, so models from before late 2024 all score between 5 and 9 and their order is rough.

  1. 1
    GPT-4Closed
    OpenAI · released Mar 14, 2023 · 7 months old
    Intelligence 6.7
    $38 /M
  2. 2
    Llama 2 Chat 7BOpen weights
    Meta · released Jul 18, 2023 · 2 months old
    Intelligence 5.7
    $0.10 /M
  3. 3
    GPT-3.5 TurboClosed
    OpenAI · released Nov 30, 2022 · 10 months old
    Intelligence 5.5
    $0.75 /M
  4. 4
    Claude 2.0Closed
    Anthropic · released Jul 11, 2023 · 3 months old
    Intelligence 5.5
    No public price
  5. 5
    PALM-2Closed
    Google · released May 10, 2023 · 5 months old
    Intelligence 5.4
    No public price
  6. 6
    Llama 2 Chat 13BOpen weights
    Meta · released Jul 18, 2023 · 2 months old
    Intelligence 5.3
    No public price
  7. 7
    Llama 2 Chat 70BOpen weights
    Meta · released Jul 18, 2023 · 2 months old
    Intelligence 5.3
    No public price
  8. 8
    Llama 65BOpen weights
    Meta · released Feb 24, 2023 · 7 months old
    Intelligence 5
    No public price
  9. 9
    Claude InstantClosed
    Anthropic · released Mar 14, 2023 · 7 months old
    Intelligence 5
    No public price
  10. 10
    Qwen Chat 14BOpen weights
    Alibaba · released Sep 25, 2023 · 5 days old
    Intelligence 5
    No public price

3 years later

What has happened since

#369Where GPT-4 ranks today

489 models have come out since. Today's best is Claude Opus 5.5 at 57.6, 50.9 points higher.

940×Cheaper for the same score

Gemma 4 E4B scores at least as well today for $0.04 per million tokens, against $38 for GPT-4 back then.

10 monthsUntil it cost under $1

GPT-4o mini matched it for $0.26 per million tokens on Jul 18, 2024.

10 monthsUntil open weights caught up

Llama 3.1 Instruct 405B from Meta matched it on Jul 23, 2024, 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

11 models were out on Sep 30, 2023

Best open model
Llama 2 Chat 7B

Meta, scoring 5.7. #2 overall, 1 points behind.

Best under $1 per million
Llama 2 Chat 7B

Meta, scoring 5.7. #2 overall at $0.10, 375× cheaper than #1.

New in the 30 days before · 2
  • Mistral 7B Instruct5
  • Qwen Chat 14B5

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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.