Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
BETA
OpenAI
OpenAI
ReasoningDEPRECATED

o1-mini

Reasoning

Cheap reasoning model from the o1 generation. Deprecated — o3-mini and o4-mini are the modern equivalents.

o1-mini is a reasoning AI model from OpenAI. It costs $3.000 per million input tokens and $12.000 per million output tokens (blended $5.700/M), with a 128K-token context window.

INPUT
$3.000/M
per million input tokens
OUTPUT
$12.000/M
per million output tokens
CONTEXT
128K
128,000 tokens
What it's good at
  • Cheap STEM reasoning
Typical use cases
  • Legacy o1-mini integrations
Benchmarks
vs. best public score
MMLU85%
Multitask academic knowledge across 57 subjects.
GPQA Diamond60%
Graduate-level science questions, "Google-proof".
MATH90%
High-school competition math problems.
HumanEval92%
Python function synthesis from docstrings.
LMArena Elo1304 Elo
Crowd-sourced head-to-head preference Elo rating.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
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Frequently asked questions

How much does o1-mini cost?

o1-mini costs $3.000 per million input tokens and $12.000 per million output tokens, for a blended reference rate of $5.700 per million tokens.

What is o1-mini's context window?

o1-mini supports up to 128K tokens of context (128,000 tokens).

What is o1-mini best for?

o1-mini is well suited to Cheap STEM reasoning and Legacy o1-mini integrations.

Who makes o1-mini?

o1-mini is developed and served by OpenAI. It was released in Sep 2024.