Atlas / OpenAI / o1

o1

Reasoning-focused model for deep problem solving.

Preview Tools

Current pricing

Input

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Output

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per 1M tokens Source ↗

Capabilities

✓ Function calling / Tools

✗ Image understanding

✗ Extended thinking / Reasoning

✗ Audio input/output

Pricing history

TierUnitInputCached inputOutputEffectiveSource

Standard Per 1M tokens — — — Jan. 10, 2026 Source

Standard Per 1M tokens — — — Jan. 9, 2026 Source