LOADING DATASHEET
GROUNDED IN REAL HUMAN CONVERSATIONSYOUR BENCH
GPT 5.6 Sol
by OpenAI
CLOSEDHOSTEDCODING HELPWRITING HELPFAST ANSWERSLONG DOCUMENTS
RANKED #38 OF 265 ASSISTANTS · OVERALL #61 OF 6,580 · VIBE SCORE 6.6 · 6,325 VOICES
A fast, premium AI assistant for writing, coding, and working through large documents.
HAPPY8.6
682 mentions
SAD6.4
517 mentions
VIBE TRAJECTORY
26 weeks · 10,080 voices
QUIETLY DEGRADING
Recent vibe and chatter are both sliding.
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 5.6 Sol is closed, so you rent it. These open-weight models can genuinely stand in for it. Download once, own forever.
- OPEN WEIGHTS6.9
Kimi K3MoonshotPick for near-frontier intelligence and complex reasoning without closed-model lock-in.🏆 NEAR-PEER QUALITY❤️ CROWD FAVORITE2.0k VOICESMATCH★★★ - OPEN WEIGHTS5.4
Llama 4 MaverickMetaPick for fast, private multimodal coding and reasoning on consumer hardware.💻 STRONG AT CODE🔒 PRIVATE & OFFLINE⚡ FAST2.1k VOICESMATCH★★★ - OPEN WEIGHTS6.8
Qwen3.6 35B A3BAlibabaPick for highly efficient agentic coding and visual tasks at a fraction of the cost.💻 STRONG AT CODE💸 COST EFFICIENT🪶 RUNS ON LESS535 VOICESMATCH★★★
WHAT THE INTERNET SAYS
Users praise GPT 5.6 Sol for its speed, strong writing, and coding support in long chats, often comparing it to a luxury tool. However, many complain about high costs, strict usage limits, occasional hallucinations, and unwanted refusals.
4964 POSTS · 1361 COMMENTS · REDDIT · HACKER NEWS · BLUESKY · X · LEMMY · DEV FORUMS · GITHUB · DEV.TO · BLOG
PEOPLE LOVE
- Popular for coding help (95 mentions)
- Answers come back fast (28 mentions)
- Good at writing and wording things (10 mentions)
- Keeps up in long chats and big documents (6 mentions)
PEOPLE COMPLAIN ABOUT
- Outages, errors, or limits get in the way (49 mentions)
- People find it expensive (43 mentions)
- Sometimes makes things up (19 mentions)
- Refuses or lectures more than people like (19 mentions)
TOPIC BY TOPIC
- Help with codePEOPLE LOVE THIS
95 thumbs up · 24 thumbs down
- PriceMIXED FEELINGS
45 thumbs up · 43 thumbs down
- Working when you need itA SORE SPOT
8 thumbs up · 49 thumbs down
- SpeedMOSTLY POSITIVE
28 thumbs up · 11 thumbs down
- Getting facts rightMIXED FEELINGS
16 thumbs up · 19 thumbs down
- Saying no too muchA SORE SPOT
1 thumbs up · 19 thumbs down
- WritingMOSTLY POSITIVE
10 thumbs up · 5 thumbs down
- Long conversationsMOSTLY POSITIVE
6 thumbs up · 3 thumbs down
IN THEIR OWN WORDS
- FROM X >
“We ran out of limits in Codex and they’re recommending 1M context for GPT 5.6 Sol Good luck with that.”
- FROM X >
“Codex Pro x20 is still the best subscription I've used 30 days on gpt 5.6 sol + 31.8B tokens Same usage at API rates + $.”
- FROM X >
“@Sarthak4Alpha GPT 5.6 Sol as Mercedes feels right expensive but you know what you’re getting.”
- FROM REDDIT >
“GPT 5.6 Sol Downgraded Already.”
- FROM REDDIT >
“GPT 5.6 Sol High - Heavy hallucination....”
LOOKING FOR AN ALTERNATIVE?
Checked picks first: tags say why you would switch, stars say how fully each one stands in for GPT 5.6 Sol.
Grok 4.6> SOURCES (12)
- X · 2026-08-16 · 5704 UPVOTESHere is how to enable a 1M-token context window in Codex for GPT-5.6 Sol. Even though we have tuned the context limit in
Here is how to enable a 1M-token context window in Codex for GPT-5.6 Sol. Even though we have tuned the context limit in
- X · 2026-08-16 · 3330 UPVOTESOn tokens and prices per token. I said I’d write more about this, so here goes: an OpenAI token != another model’s token
On tokens and prices per token. I said I’d write more about this, so here goes: an OpenAI token != another model’s token
- X · 2026-08-17 · 3283 UPVOTESGPT-5.6 Sol 1M in Codex. This used to only work for API keys, but we just flipped the switch and works for usage through
GPT-5.6 Sol 1M in Codex. This used to only work for API keys, but we just flipped the switch and works for usage through
- REDDIT · 2026-07-28 · 2244 UPVOTESGPT-5, the world best model just 1 year ago, is today inferior to Qwen3.6 27B and most today’s low-tier models
GPT-5, the world best model just 1 year ago, is today inferior to Qwen3.6 27B and most today’s low-tier models
- REDDIT · 2026-07-22 · 2044 UPVOTESAn AI escaped its sandbox yesterday, hacked a real company, and nobody asked it to. Here's what actually happened.
An AI escaped its sandbox yesterday, hacked a real company, and nobody asked it to. Here's what actually happened.
- X · 2026-08-14 · 1640 UPVOTESGPT 5.6 just solved one of my maths problems that GPT 5.5 insisted for 6 months is unsolvable🤔
GPT 5.6 just solved one of my maths problems that GPT 5.5 insisted for 6 months is unsolvable🤔
- HACKER NEWS · 2026-07-09 · 1561 UPVOTESGPT-5.6
GPT-5.6
- X · 2026-08-14 · 1296 UPVOTES2 things are happening at once: - AI coding models are converging. For 95% of tasks, most people can’t tell whether GPT-
2 things are happening at once: - AI coding models are converging. For 95% of tasks, most people can’t tell whether GPT-
- REDDIT · 2026-07-10 · 1292 UPVOTESGPT-5.6 Solves Yet Another Unsolved Problem
GPT-5.6 Solves Yet Another Unsolved Problem
- X · 2026-08-18 · 1180 UPVOTESGLM-5.3 achieves 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 and up 7 points from GLM-5.2. Onc
GLM-5.3 achieves 60 on the Artificial Analysis Intelligence Index, on par with Kimi K3 and up 7 points from GLM-5.2. Onc
- HACKER NEWS · 2026-06-26 · 1139 UPVOTESPreviewing GPT‑5.6 Sol: a next-generation model
Previewing GPT‑5.6 Sol: a next-generation model
- REDDIT · 2026-07-29 · 1117 UPVOTESGPT-5.6 Sol helped optimize its own inference
GPT-5.6 Sol helped optimize its own inference