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O3

OpenAI200K contextVisionReasoningTool callingWeb search

LMArena score 1410 · #140 overall · #165 in coding (2026-10-13)

Official price from OpenAI

Pricing page

Per million tokens

Input
$2.00
Output
$8.00
Cached input
$0.50
Batch input / output
$1.00 / $4.00
  • 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: $36.00 a month.

Where to buy it (3)

Sorted by your monthly estimate. Prices per million tokens.

  • Azure OpenAI

    Input / output
    $2.00 / $8.00
    Context
    200K
    Per month
    $36.00

    azure/o3

  • OpenAIOfficial

    Input / output
    $2.00 / $8.00
    Context
    200K
    Per month
    $36.00

    o3

  • Vercel AI Gateway

    Input / output
    $2.00 / $8.00
    Context
    200K
    Per month
    $36.00

    vercel_ai_gateway/openai/o3

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

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