LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
GPT 5.1 Codex Max
by OpenAI
CLOSEDHOSTEDAPILONG CONTEXTPAIDREASONING
RANKED #47 OF 316 ASSISTANTS · OVERALL #64 OF 493 RANKED · VIBE SCORE 6.4 · 580 VOICES ·
COPY BADGE pastes a README snippet with the rank SVG.
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
HAPPY9.4
27 mentions
SAD5.6
22 mentions
VIBE TRAJECTORY
26 weeks · 314 voices in this window
HOLDING UP
Recent vibe is steady. No clear fade in the crowd.
HOW TO USE IT
Closed model. OpenAI hosts it, so you use it through an app or an API.
PREFER OPEN SOURCE? THE CROWD HAS PICKS
GPT 5.1 Codex Max is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS7.6
Qwen3.8 27BAlibabaStrong open coding and multimodal reasoning you can run locally for privacy.💻 STRONG AT CODE🔒 PRIVATE & OFFLINE❤️ CROWD FAVORITE21.2k VOICESMATCH★★★ - OPEN WEIGHTS7.4Qwen3.8 FlashAlibabaFast and lightweight open alternative for rapid coding assistance and visual tasks.⚡ FAST💻 STRONG AT CODE🪶 RUNS ON LESS8.2k VOICESMATCH★★★
- OPEN WEIGHTS7.2
DeepSeek V4 Flash Vision ExpDeepSeekCost-effective vision and code processing for quick turnaround on everyday tasks.💸 COST EFFICIENT🏆 NEAR-PEER QUALITY⚡ FAST5.5k VOICESMATCH★★★
WHAT THE INTERNET SAYS
People are mostly frustrated with GPT 5.1 Codex Max right now. Biggest praise: help with code. Biggest gripe: working when you need it.
523 POSTS · 57 COMMENTS · HACKER NEWS · GITHUB · REDDIT · BLOG · LEMMY · DEV FORUMS · X · BLUESKY
PEOPLE LOVE
- Popular for coding help (5 mentions)
- Answers come back fast (2 mentions)
PEOPLE COMPLAIN ABOUT
- Outages, errors, or limits get in the way (8 mentions)
- Refuses or lectures more than people like (4 mentions)
- People find it expensive (2 mentions)
TOPIC BY TOPIC
- Working when you need itA SORE SPOT
1 thumbs up · 8 thumbs down
- Help with codeMOSTLY POSITIVE
5 thumbs up · 3 thumbs down
- PriceMIXED FEELINGS
2 thumbs up · 2 thumbs down
- Saying no too muchA SORE SPOT
0 thumbs up · 4 thumbs down
- SpeedMOSTLY POSITIVE
2 thumbs up · 1 thumbs down
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for GPT 5.1 Codex Max.
Gemini 3.7 Flash
Grok 4.6> SOURCES (12)
- REDDIT · 2025-12-04 · 912 UPVOTESGemini 3 "Deep Think" benchmarks released: Hits 45.1% on ARC-AGI-2 more than doubling GPT-5.1
Gemini 3 "Deep Think" benchmarks released: Hits 45.1% on ARC-AGI-2 more than doubling GPT-5.1
- HACKER NEWS · 2025-11-19 · 483 UPVOTESBuilding more with GPT-5.1-Codex-Max
Building more with GPT-5.1-Codex-Max
- REDDIT · 2025-12-08 · 479 UPVOTESOpenAI has by far THE WORST guardrails of every single model provider
OpenAI has by far THE WORST guardrails of every single model provider
- REDDIT · 2025-12-12 · 430 UPVOTESGPT 5.2 underperforms on RAG
GPT 5.2 underperforms on RAG
- REDDIT · 2025-12-05 · 372 UPVOTESLMArena Leaderboard, GPT 5.1 is falling more and more behind
LMArena Leaderboard, GPT 5.1 is falling more and more behind
- REDDIT · 2025-12-05 · 359 UPVOTESGemini 3 Pro Vision benchmarks: Finally compares against Claude Opus 4.5 and GPT-5.1
Gemini 3 Pro Vision benchmarks: Finally compares against Claude Opus 4.5 and GPT-5.1
- REDDIT · 2025-12-22 · 344 UPVOTESZhipu AI releases GLM-4.7: Beating GPT-5.2 and Claude 4.5 Sonnet in Coding & Reasoning Benchmarks
Zhipu AI releases GLM-4.7: Beating GPT-5.2 and Claude 4.5 Sonnet in Coding & Reasoning Benchmarks
- REDDIT · 2026-10-04 · 300 UPVOTESSam Altman Believes Anthropic's Approach To AI Consciousness Is Becoming Dangerous
Sam Altman Believes Anthropic's Approach To AI Consciousness Is Becoming Dangerous
- REDDIT · 2025-12-17 · 260 UPVOTESGPT-5.2-High falling to #15 on LMArena is crazy, behind GPT 5.1, Opus4.5 and even Gemini-3-Flash
GPT-5.2-High falling to #15 on LMArena is crazy, behind GPT 5.1, Opus4.5 and even Gemini-3-Flash
- REDDIT · 2025-12-04 · 254 UPVOTESGPT-5.1 Codex Max Extra High Fast
GPT-5.1 Codex Max Extra High Fast
- REDDIT · 2026-02-24 · 184 UPVOTESThere's something seriously wrong with GPT 5.2 in ChatGPT
There's something seriously wrong with GPT 5.2 in ChatGPT
- REDDIT · 2025-12-14 · 149 UPVOTESSurprised at all the negative feedback about GPT-5.2
Surprised at all the negative feedback about GPT-5.2