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OpenAIOpenAI
GPT 5.1 Codex Max
Add modelChat
OpenAIOpenAI
GPT 5.1 Codex Max

Overview

Input modalities
TImg
Output modalities
T
Providers
10 providers
Input context
-
Max output
-
Release
Nov 2025
Capabilities
ReasoningWebFine-tune

Pricing

Provider
PoePoe
Poe
Input
$1.10 / M tokens
Output
$9.00 / M tokens
Cached input
$0.11 / M tokens
Plan
standard
Source
Pricing source

Performance

Latency (p50)
-
Throughput (p50)
-
Provider latency
-
Provider throughput
-
Visualize performance
View charts

Activity

30d tokens
0
Total requests
0
Requests in 30m
0

Benchmarks

Shared wins
0
Comparable tests
0
Total results
0
Benchmark charts
View detail

Simulate a response

Estimated input
21 tokens
Context fit
Fits
Estimated cost
$0.0072
Est. response time
-
Pricing basis
$1.10 in / $9.00 out

Overview

Input/output modalities and key model metadata from the catalog.

OpenAIOpenAI
GPT 5.1 Codex Max
OpenAI
Retired7 priced providers
Input Modalities
TextImage
Output Modalities
Text
ReleaseNov 2025
Knowledge Cutoff-
Context-
Max Output-
LicenseProprietary

Gateway Usage

30-day activity plus recent runtime. Text-first models use token volume; other modalities fallback to request activity.

Last 30d
OpenAIOpenAI
GPT 5.1 Codex Max
OpenAI
0
tokens · last 30 days
Token data up to 20 Aug 2026
Requests
0
Latency
-
Throughput
-
Request activity · 24h0 in 30m

Pricing

Per-1M normalized pricing from observed provider tiers. Blended total uses 90% input + 10% output.

OpenAIOpenAI
GPT 5.1 Codex Max
Input $/M
$1.10
Poe
Output $/M
$9.00
Poe
Blended $/M
$1.89
90/10 input-output
Pricing
Blended (90/10)Input $/MOutput $/M
Pricing by meter

All unique meters observed across the selected models.

Meter
GPT 5.1 Codex Max
Best option
Input Text Tokens$1.10
Output Text Tokens$9.00
Cached Read Text Tokens$0.11
Native Web Search Requests$10,000.00

Availability

API provider availability and subscription plans.

API Availability

OpenAIOpenAI
GPT 5.1 Codex MaxOpenAI
Providers
Kilo GatewayKilo Gateway
OpenAIOpenAI
OpenRouterOpenRouter
PoePoe
Vercel AI GatewayVercel AI Gateway

Subscription Plans

GPT 5.1 Codex Max

8 plans

OpenAIOpenAI
ChatGPT FreeOpenAI
Limited-Time Access
$0.00 / monthly+1
OpenAIOpenAI
ChatGPT GoOpenAI
Limited-Time Access
$8.00 / monthly+1
OpenAIOpenAI
ChatGPT BusinessOpenAI
$240.00 / yearly+3

Self-serve shared ChatGPT workspace for organizations. ChatGPT Team was renamed to ChatGPT Business on August 29, 2025.

OpenAIOpenAI
ChatGPT PlusOpenAI
$20.00 / monthly+1
OpenAIOpenAI
ChatGPT Pro 5xOpenAI
$100.00 / monthly+1
OpenAIOpenAI
ChatGPT Pro 20xOpenAI
$200.00 / monthly+1
OpenAIOpenAI
ChatGPT Business CodexOpenAI
Usage-based
Usage-based+1

Usage-priced Codex-only seat type for ChatGPT Business workspaces.

OpenAIOpenAI
ChatGPT EnterpriseOpenAI
Flexible
Custom pricing+1

Enterprise-grade ChatGPT workspace with custom pricing, expanded controls, and enterprise support.