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Gpt-Oss-20b — and what?

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 1 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Gpt-Oss-20b
openai/gpt-oss-20b
Provider
OpenAI
Family
Modality
text
Context window
131,072 tok
Max output
4,096 tok
Released
2025-08-05
License
Open-weight
Input price
$0.200 /1M
Output price
$0.300 /1M
Tools
yes
Streaming
yes
Vision
JSON mode
yes
Reasoning
Prompt caching
Batch API
Try it
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Gpt-Oss-20b
openai/gpt-oss-20b
Full spec →

OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases – gpt-oss-20b is for lower latency, and local or specialized use-cases.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows