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gpt-oss-20b

OpenAIOpen weights131K contextReasoningTool callingWeb search

LMArena score 1287 · #259 overall · #253 in coding (2026-10-13)

Lowest price, from Darkbloom

Pricing page

Per million tokens

Input
$0.0145
Output
$0.07
Cached input
—
Batch input / output
—
  • Up to 33K 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 Darkbloom: $0.285 a month.

Where to buy it (12)

Sorted by your monthly estimate. Prices per million tokens.

  • DarkbloomCheapest

    Input / output
    $0.0145 / $0.07
    Context
    131K
    Per month
    $0.285

    darkbloom/gpt-oss-20b

  • W&B Inference

    Input / output
    $0.03 / $0.13
    Context
    131K
    Per month
    $0.56

    wandb/openai/gpt-oss-20b

  • DeepInfra

    Input / output
    $0.03 / $0.14
    Context
    131K
    Per month
    $0.58

    deepinfra/openai/gpt-oss-20b

  • Novita AI

    Input / output
    $0.04 / $0.15
    Context
    131K
    Per month
    $0.70

    novita/openai/gpt-oss-20b

  • Ovhcloud

    Input / output
    $0.04 / $0.15
    Context
    131K
    Per month
    $0.70

    ovhcloud/gpt-oss-20b

  • Google Vertex AI

    Input / output
    $0.07 / $0.25
    Context
    131K
    Per month
    $1.20

    vertex_ai/openai/gpt-oss-20b-maas

  • Tensormesh

    Input / output
    $0.07 / $0.28
    Context
    131K
    Per month
    $1.26

    tensormesh/openai/gpt-oss-20b

  • Amazon Bedrock Mantle

    Input / output
    $0.07 / $0.30
    Context
    131K
    Per month
    $1.30

    bedrock_mantle/openai.gpt-oss-20b

  • Fireworks AI

    Input / output
    $0.07 / $0.30
    Context
    131K
    Per month
    $1.30

    fireworks_ai/accounts/fireworks/models/gpt-oss-20b

  • Fireworks AI

    Input / output
    $0.07 / $0.30
    Context
    131K
    Per month
    $1.30

    fireworks_ai/gpt-oss-20b

  • Groq

    Input / output
    $0.075 / $0.30
    Context
    131K
    Per month
    $1.35

    groq/openai/gpt-oss-20b

  • Replicate

    Input / output
    $0.09 / $0.36
    Context
    —
    Per month
    $1.62

    replicate/openai/gpt-oss-20b

  • Cloudflare Workers AI

    Input / output
    $0.20 / $0.30
    Context
    128K
    Per month
    $2.60

    cloudflare/@cf/openai/gpt-oss-20b

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

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