o1 Preview — Retired model

Retired modelThis model has reached end of life and is no longer available through BazaarLink. Historical specifications and independent benchmarks remain below. Retired on May 1, 2026.

The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 models are optimized for math, science, programming, and other STEM-related tasks. They consistently exhibit PhD-level accuracy on benchmarks in physics, chemistry, and biology. Learn more in the [launch announcement](https://openai.com/o1). Note: This model is currently experimental and not suitable for production use-cases, and may be heavily rate-limited.

Provider	OpenAI
Released	September 2024
Model ID	`openai/o1-preview`

Technical specifications

Context window

128K tokens

Reasoning

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Input

Text

Output

Text

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 11

Coding 34

Math

MMLU

GPQA

This modelCategory leader

Coding ability

#153out of 255 models

LiveCodeBench / SciCode and similar

Overall intelligence

#318out of 638 models

Aggregated across academic benchmarks

Intelligence

Mid-tier

This model

Category leader

Median

Coding

Mid-tier

This model

Category leader

Median

Top 5 — CodingCoding Index leaderboard

1Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback)?/claude-fable-5-182$10 / $50

2Claude Fable 5.1 (Adaptive Reasoning, Xhigh Effort, Default Fallback)?/claude-fable-5-1-xhigh81$10 / $50

3Claude Fable 5.1 (Adaptive Reasoning, High Effort, Default Fallback)?/claude-fable-5-1-high79$10 / $50

4GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$4 / $20

5Claude Opus 5 (Adaptive Reasoning, Max Effort)anthropic/claude-opus-578$5 / $25

AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

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Frequently Asked Questions

Can I still use the retired o1 Preview model?

No. o1 Preview has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.

Relay integrity checks

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