o1

Active

Reasoning-focused model that thinks before answering.

Overview

The o1 model is trained to spend additional inference-time compute on internal reasoning before producing a response. Strong on math, coding, and science benchmarks.

Benchmarks

BenchmarkScoreSource
AIME 2024Math83.3% accuracySelf-reported
OpenAI o1 system card
Aider PolyglotCoding61.7% pass@2Third-party
Papers With Code
GPQA DiamondReasoning78% accuracySelf-reported
OpenAI o1 system card
MATHMath94.8% accuracySelf-reported
OpenAI o1 system card

Integrations & tooling support

Tool calling
Supported
Structured outputs
Supported

Price vs quality

Overpriced

Mid-tier performance at frontier pricing.

Quality percentile
70.8%
vs 4 benchmarks
Effective price
$48.75/1M
/ 1M tokens (input + 3× output)
Pricing breakdown
$15/1M in
$60/1M out

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