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GPT-5.1

Tools
openai/gpt-5.1

400K context · Nov 2025 · 6 upstreams

GPT-5.1 is OpenAI's flagship model for coding and agentic tasks, with configurable reasoning effort (none, low, medium, high) and non-reasoning alternatives. It supports a 400,000-token input context with 128,000 output tokens, text and image inputs, and exposes streaming, function calling, and structured outputs across Chat Completions, Responses, and Realtime APIs.

Bring your own keyAnyRouter has no platform route for GPT-5.1. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
400K
input / 1M (list)
$1.25
output / 1M (list)
$10.00
routes
6
speed, 24h
—

Upstreams

6
  1. 1OpenAIYour key · not addedyour planTPS —TTFT ——
  2. 2OpenRouterYour key · not addedyour planTPS —TTFT ——
  3. 3OpenCode ZenYour key · not addedyour planTPS —TTFT ——
  4. 4ClineYour key · not addedyour planTPS —TTFT ——
  5. 5Ramp RouterYour key · not addedyour planTPS —TTFT ——
  6. 6Nous ResearchYour key · not addedyour planTPS —TTFT ——
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Try it

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Details

Owner
OpenAI
Kind
Vision
Released
Nov 2025
Context
400K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/gpt-5.1",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'