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01

Providers + pricing

CapabilitiesProvider details
● Your own key · billed by your provider · AnyRouter fee $0
OpenAI
openai-byok
$1.25list$10.00list
$0
Unavailable
OpenCode Zen
opencode-zen-byok
$1.25list$10.00list
$0
Unavailable
Cline
cline-byok
$1.25list$10.00list
—
Unavailable
Vercel AI Gateway
vercel-byok
$1.25list$10.00list
—
Unavailable
● Free pool · donated keys · not available for this model — donate a key
02

Try it

POST /api/v1/chat/completions
import { createAnyRouter } from "@anyr/ai-sdk-provider"import { generateText } from "ai" const anyrouter = createAnyRouter() const { text } = await generateText({  model: anyrouter("openai/gpt-5.1-codex"),  prompt: "Say hi in 3 words.",})console.log(text)
Set ANYROUTER_API_KEY · edits on the demo update this code
Live demo

Attach an image, ask about it, and run it on this model.

03

Uptime + latency

—recent checks · all routes

No health checks recorded for this model yet.

24h
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Uptime & Health
No uptime data yet

These providers haven't been health-probed for this model yet. The router still routes around upstreams that fail live requests — uptime fills in once probe history accrues.

GPT-5.1 Codex

  • OpenAI
  • OpenCode Zen
  • Cline
  • Vercel AI Gateway
Visiontext + image → text400Ktoken context
Context
400K
Input
$1.25
Output
$10.00
TTFT
—
Uptime
—
Routes
4
04

Your access

Credits
Your own key · AnyRouter fee $0

Run GPT-5.1 Codex on your own key — your requests are billed by the provider. Pool callers pay AnyRouter credits.

No BYOK keys configured for this model yet.

Share a key with the pool to earn credits for every request it serves, covering your plan cost.

Free poolnot in pool yetDonate key →
Create API key for this model
Text generation
Context length400,000 tokens
Max output128,000 tokens
ArchitectureTransformer
Categorytext
ReleasedNov 13, 2025
Modalities
→
Capabilities
05

About

GPT-5.1 Codex is a version of GPT-5.1 optimized for agentic coding inside the Codex environment, with regular underlying model refreshes. It supports a 400,000-token input context with 128,000 output tokens, accepts text and image inputs, and exposes reasoning tokens, streaming, function calling, and structured outputs. Available exclusively through the Responses API.

Released 2025-11-13

API & code
Share cards
GPT-5.1 Codex share card
GPT-5.1 Codex
OpenAI upstream share card
OpenAI upstream
OpenCode Zen upstream share card
OpenCode Zen upstream
Cline upstream share card
Cline upstream
Vercel AI Gateway upstream share card
Vercel AI Gateway upstream
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