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 GPT-5.6 SolOpenAI |  Grok 4xAI |  Gemini Omni |  Claude 4.6 SonnetAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | Anthropic | |
| Family | GPT | Grok | Gemini | Claude |
| Release date | 2026-06-26 | 2025-07-09 | 2026-05-20 | 2026-02-17 |
| Context window | — | 256,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio | text | text, vision, audio, video | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | 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. | — | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 82.8% | — | 85.4% |
| GPQA-D | — | 87.5% | — | 85.8% |
| HumanEval | — | — | — | 95.9% |
| Aider | — | 72.5% | — | 83.6% |
| AIME-25 | — | 86.1% | — | 87.4% |
| LiveCB | — | 65.3% | — | 73.8% |
| MMMU | — | — | 82.5% | — |
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GPT-5.6 Sol✓Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5 FlashmaxGemini 3.5maxGemini Omni✓GPT-5.5max
DeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 Sonnet✓Claude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5 PromaxGPT-5maxGrok 4✓Gemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.