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 GPT-5.6 SolOpenAI |  Qwen3 235BAlibaba |  Grok 4xAI |  Claude 4.7 OpusAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | xAI | Anthropic |
| Family | GPT | Qwen | Grok | Claude |
| Release date | 2026-06-26 | 2025-04-29 | 2025-07-09 | 2026-04-16 |
| Context window | — | 128,000 tokens | 256,000 tokens | 1,000,000 tokens |
| Parameters | — | 235B | — | — |
| Modality | text, vision, audio | text | text | text, vision |
| License | proprietary | Apache-2.0 | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | Flagship of OpenAI's GPT-5.6 three-model suite (Sol / Terra / Luna), released as a limited preview. Strong gains in coding, cybersecurity, biology, and long-horizon agentic work. Pricing: $5 / $30 per million input/output tokens. | Predecessor to the Qwen3.6 family. | — | Anthropic's previous Opus flagship — superseded by Opus 4.8 on May 28, 2026 (42-day cycle). Optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 82.8% | 88.2% |
| GPQA-D | — | — | 87.5% | 90.1% |
| HumanEval | — | — | — | 97.4% |
| Aider | — | — | 72.5% | 91.2% |
| AIME-25 | — | — | 86.1% | 93.5% |
| LiveCB | — | — | 65.3% | 80.2% |
| MMMU | — | — | — | 79.0% |
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GPT-5.6 Sol✓Claude 4.8 OpusmaxQwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5max
DeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 Opus✓Claude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5 PromaxGPT-5maxGrok 4✓Gemini 2.5 FlashmaxQwen3 235B✓o3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.