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OpenAI · language model

gpt-oss-120b

OpenAI: gpt-oss-120b is a language model on the Overblast AI Gateway. Call it as openai/gpt-oss-120b with one Overblast API key, paid from your AI credits.

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Prices are final: what a call costs in AI credits, in US dollars. As of 2 October 2026, from the live catalogue.

Price

OpenAI: gpt-oss-120b: price
Input, per M tokens$0.074
Output, per M tokens$0.34

What it does

OpenAI: gpt-oss-120b: what it does
DoesChat completions, Messages (Claude Code), Responses (Codex)

Where it runs

OpenAI: gpt-oss-120b: where it runs
RegionsCan be pinned to EU and US, or run globally
Zero data retentionYes: served only by endpoints that keep neither the prompt nor the answer
Context131,072 tokens
EndpointPOST /v1/chat/completions

Call it

curl https://ai.overblast.app/v1/chat/completions \
  -H "Authorization: Bearer $OVERBLAST_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-oss-120b",
    "messages": [
      {
        "role": "user",
        "content": "Say hello in Estonian"
      }
    ]
  }'

Aliases that pick it today

This alias resolves to this model right now. An alias can move to another model as the catalogue changes.

  • auto/cheap (Auto: cheap)

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