OpenAI model product
GPT-5.6-Sol
6 family, designed for complex professional work across coding, knowledge work, cybersecurity, and science.
Updated Aug 12, 2026. Default version: GPT-5.6 Sol
LLMBoard score95.1GPT-5.6 Sol
Coverage100%44 benchmark families
Context window1.1MTokens
Official input price$5OpenAI API
GPT-5.6-Sol Specifications
Technical details for the model's default version.
- Version
- GPT-5.6 Sol
- Released
- Jul 9, 2026
- Knowledge cutoff
- Feb 16, 2026
- Parameters
- N/A
- Context window
- 1.1M
- Max output
- 128K
- Inputs
- image, pdf, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
GPT-5.6-Sol Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
GPT-5.6-Sol Benchmark Results
Benchmark scores for GPT-5.6 Sol.
GPT-5.6-Sol Arena Results
Preference and agent-evaluation results for the default version.
| agent praise complaint | overall | 1 | 0.2 | N/A | 4.2K | |
| agent tool hallucination | overall | 2 | 0.0 | N/A | 1.5M | |
| agent | overall | 4 | 0.1 | N/A | 1.5M | |
| agent task outcome explicit | overall | 6 | 0.1 | N/A | 13K | |
| webdev | overall | 6 | 1622.9 | 8,112 | N/A | |
| agent steerability | overall | 7 | 0.1 | N/A | 17.5K | |
| document | overall | 11 | 1478.7 | 1,152 | N/A | |
| document style control | overall | 11 | 1481.3 | 1,152 | N/A | |
| agent bash recovery steps | overall | 13 | 0.1 | N/A | 30.8K | |
| text style control | overall | 18 | 1480.8 | 14,900 | N/A | |
| text factuality | overall | 19 | 1472.1 | 14,869 | N/A | |
| vision style control | overall | 22 | 1279.5 | 3,353 | N/A | |
| vision | overall | 30 | 1273.8 | 3,353 | N/A | |
| text | overall | 33 | 1452.6 | 14,900 | N/A |
GPT-5.6-Sol Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $5 input, $30 output per 1M
- Official provider
- OpenAI
- Lowest third-party
- From $1.5 input, $12 output per 1M via Xpersona
- Tracked offerings
- 31
| Kenari | gpt-5-6-sol | global | N/A | N/A | 1.1M | |
| Xpersona | gpt-5.6-sol | global | $1.5 | $12 | 372K | |
| routing.run | gpt-5.6-sol | global | $2.5 | $15 | 1M | |
| Impossibl | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| CrossModel | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Vivgrid | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| NanoGPT | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| LLM Gateway | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| OpenCode Zen | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| GitHub Copilot | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Neon | gpt-5-6-sol | global | $5 | $30 | 1.1M | |
| Pioneer | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| AI-ROUTER | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| ZenMux | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Abacus | gpt-5.6-sol | global | $5 | $30 | 1M | |
| Azure Cognitive Services | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Azure | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| AIHubMix | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Ofox | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Kilo Gateway | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Kilo Gateway | openai/gpt-5.6-sol-pro | global | $5 | $30 | 1.1M | |
| Merge Gateway | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Vercel AI Gateway | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| OpenRouter | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Cloudflare AI Gateway | openai/gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| OpenAI | gpt-5.6-sol | global | $5 | $30 | 1.1M | |
| Databricks | databricks-gpt-5-6-sol | global | $5 | $30 | 1.1M | |
| Amazon Bedrock | openai.gpt-5.6-sol | global | $5.5 | $33 | 1.1M | |
| Cortecs | gpt-5.6-sol | global | $5.5 | $33 | 1.1M | |
| Venice AI | openai-gpt-56-sol | global | $6.25 | $37.5 | 1M |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
GPT-5.6-Sol Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| GPT-5.6 Sol | 95.1 | N/A | 1.1M | 128K | No | Proprietary |
What is GPT-5.6-Sol?
Key information about GPT-5.6-Sol and its available data.
6 family, designed for complex professional work across coding, knowledge work, cybersecurity, and science. 05M-token context window. 6 Sol.
Data as of 2026-08-11.
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FAQ
Common questions about GPT-5.6-Sol.
When was GPT-5.6-Sol released?
GPT-5.6-Sol's default version was released on Jul 9, 2026.
How much does GPT-5.6-Sol cost?
GPT-5.6-Sol's official API price is $5 per million input tokens and $30 per million output tokens via OpenAI. The lowest tracked third-party offer starts at $1.5 input and $12 output via Xpersona.
Who created GPT-5.6-Sol?
GPT-5.6-Sol was created by OpenAI.
What is the context window for GPT-5.6-Sol?
The default version has a 1.1M token context window.
Is GPT-5.6-Sol open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer GPT-5.6-Sol?
31 provider offerings are linked to the default version.
What models should I compare GPT-5.6-Sol with?
Nearby ranked alternatives include Claude Opus 5, Claude Fable 5, Claude Mythos.