GPT-5.1-Codex-MaxvsQwen3.8-Max-0902

GPT-5.1-Codex-Max
Qwen3.8-Max-0902
Specifications
Parameters
2.4T
Context window
1M
API pricing
Cheapest input
$1.25Azure
Cheapest output
$10.00Azure
Benchmarks
DeepSWE 1.1
69.3%
NL2Repo-Bench
64.9%
QwenSWEBench V2
70%
Terminal-Bench 3.0
29%
JobBench
64%
CoWorkBench
76.1%
Toolathlon-Verified
73.3%
AutomationBench
50.8%
MMMU-Pro
82.7%
Overview
CompanyOpenAIQwen
Release dateNov 19 2025Sep 2 2026
AccessProprietaryProprietary

Other comparisons

GPT-5.1-Codex-MaxvsClaude Fable 5.1Qwen3.8-Max-0902vsClaude Fable 5.1GPT-5.1-Codex-MaxvsGemini 3.8 FlashQwen3.8-Max-0902vsGemini 3.8 FlashGPT-5.1-Codex-MaxvsMuse Spark 1.3Qwen3.8-Max-0902vsMuse Spark 1.3GPT-5.1-Codex-MaxvsGrok 4.6Qwen3.8-Max-0902vsGrok 4.6GPT-5.1-Codex-MaxvsDeepSeek-V4-Pro-0813Qwen3.8-Max-0902vsDeepSeek-V4-Pro-0813GPT-5.1-Codex-MaxvsMistral Medium 3.5Qwen3.8-Max-0902vsMistral Medium 3.5

Frequently asked questions

GPT-5.1-Codex-Max and Qwen3.8-Max-0902 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-5.1-Codex-Max shipped 287 days before Qwen3.8-Max-0902, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — GPT-5.1-Codex-Max and Qwen3.8-Max-0902 don't publish scores on any of the same benchmarks.

GPT-5.1-Codex-Max was released by OpenAI on Nov 19 2025.

Qwen3.8-Max-0902 was released by Qwen on Sep 2 2026.