Claude Sonnet 4.6 vs GPT-5.6 Sol
Claude Sonnet 4.6 leads in 5 of 8 categories
Arena ELO
Claude Sonnet 4.6
Cheaper
Claude Sonnet 4.6
Faster
Claude Sonnet 4.6
Detailed Comparison
| Category | Claude Sonnet 4.6 | GPT-5.6 Sol |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1M WIN | 128K |
| Input Price ($/1M) | $3 WIN | N/A |
| Output Price ($/1M) | $15 WIN | N/A |
| Arena ELO | 1440 WIN | N/A |
| Coding | 79.6% SWE-bench | N/A |
| Reasoning | 72.5% OSWorld | N/A |
| Speed (tokens/sec) | ~80 t/s WIN | N/A |
| Open Source | No | No |
Frequently Asked Questions
Which is better for coding, Claude Sonnet 4.6 or GPT-5.6 Sol?
Claude Sonnet 4.6 scores 79.6% SWE-bench on coding benchmarks, while GPT-5.6 Sol scores N/A.
Which has a larger context window?
Claude Sonnet 4.6 supports 1M context, while GPT-5.6 Sol supports 128K.
Is Claude Sonnet 4.6 or GPT-5.6 Sol open source?
Claude Sonnet 4.6 is proprietary. GPT-5.6 Sol is proprietary.
Related Articles
Anthropic’s California deal makes Claude the default public-sector AI
Claude Sonnet 4.6 narrows the SRE gap
GLM 5.2 beats Claude in Semgrep’s IDOR test
Claude Code turns agent setup into terminal work
Anthropic Accuses Alibaba of Massive Claude Distillation
OpenAI narrows GPT-5.6 rollout after U.S. request
More Comparisons
Claude Sonnet 4.6 vs Claude Opus 4.5Claude Sonnet 4.6 vs Llama 4 ScoutClaude Sonnet 4.6 vs Claude Haiku 4.5Claude Sonnet 4.6 vs GLM-5.2Claude Sonnet 4.6 vs Qwen 3.6Claude Sonnet 4.6 vs Claude Fable 5Claude Sonnet 4.6 vs Kimi K2.7 CodeClaude Sonnet 4.6 vs DeepSeek V4 FlashGPT-5.6 Sol vs Claude Opus 4.5GPT-5.6 Sol vs Llama 4 ScoutGPT-5.6 Sol vs Claude Haiku 4.5GPT-5.6 Sol vs GLM-5.2GPT-5.6 Sol vs Qwen 3.6GPT-5.6 Sol vs Claude Fable 5GPT-5.6 Sol vs Kimi K2.7 CodeGPT-5.6 Sol vs DeepSeek V4 Flash