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O1

OpenAI200K contextVisionReasoningTool calling

LMArena score 1366 · #189 overall · #209 in coding (2026-10-13)

Official price from OpenAI

Pricing page

Per million tokens

Input
$15.00
Output
$60.00
Cached input
$7.50
Batch input / output
$7.50 / $30.00
  • Up to 100K output tokens per request.

Estimate your monthly cost

Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.

From OpenAI: $270.00 a month.

Where to buy it (4)

Sorted by your monthly estimate. Prices per million tokens.

  • Azure OpenAI

    Input / output
    $15.00 / $60.00
    Context
    200K
    Per month
    $270.00

    azure/o1

  • OpenAIOfficial

    Input / output
    $15.00 / $60.00
    Context
    200K
    Per month
    $270.00

    o1

  • Replicate

    Input / output
    $15.00 / $60.00
    Context
    —
    Per month
    $270.00

    replicate/openai/o1

  • Vercel AI Gateway

    Input / output
    $15.00 / $60.00
    Context
    200K
    Per month
    $270.00

    vercel_ai_gateway/openai/o1

Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Vision, Reasoning, Tool calling.

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