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GPT-5 nano

OpenAI272K contextVisionReasoningTool callingWeb search

LMArena score 1320 · #231 overall · #224 in coding (2026-10-13)

Official price from OpenAI

Pricing page

Per million tokens

Input
$0.05
Output
$0.40
Cached input
$0.005
Batch input / output
$0.025 / $0.20
  • Up to 128K 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: $1.30 a month.

Where to buy it (4)

Sorted by your monthly estimate. Prices per million tokens.

  • Azure OpenAI

    Input / output
    $0.05 / $0.40
    Context
    272K
    Per month
    $1.30

    azure/gpt-5-nano

  • Oracle Cloud

    Input / output
    $0.05 / $0.40
    Context
    272K
    Per month
    $1.30

    oci/openai.gpt-5-nano

  • OpenAIOfficial

    Input / output
    $0.05 / $0.40
    Context
    272K
    Per month
    $1.30

    gpt-5-nano

  • Replicate

    Input / output
    $0.05 / $0.40
    Context
    —
    Per month
    $1.30

    replicate/openai/gpt-5-nano

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

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