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GPT-OSS-120b

Tools
openai/gpt-oss-120b

Text · 65K context · Jul 2026 · 28 upstreams

GPT-OSS-120b is OpenAI's open-weight mixture-of-experts reasoning model under the Apache-2.0 license. It has 116.8B total and 5.1B active parameters and a 131,072-token context window. It supports function calling and runs on one 80 GB GPU with MXFP4 weights.

Needs your own keyTo use GPT-OSS-120b, add a key from FPT Cloud, SiliconFlow, Cline or 25 more. AnyRouter adds no fee.
context
65K
input / 1M (list)
$0.03
output / 1M (list)
$0.14
routes
28
speed, 24h
No data yet

Upstreams

28
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  28. 28KenariYour keynot addedBilled to your key

Benchmarks

GPQA Diamond
67.2%
LiveCodeBench
70.7%
AIME
66.7%
HLE
5.2%

Quick start

curl
curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/gpt-oss-120b",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'

Details

Owner
OpenAI
Kind
Chat
Released
Jul 2026
Context
65K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions