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 Gemini 2.5 Pro |  GPT-5.6 SolOpenAI | o3 OpenAI |  Qwen3.6-27BAlibaba | |
|---|---|---|---|---|
| Vendor | OpenAI | OpenAI | Alibaba | |
| Family | Gemini | GPT | o-series | Qwen |
| Release date | 2025-03-25 | 2026-06-26 | 2025-04-16 | 2026-04-22 |
| Context window | 2,000,000 tokens | — | 200,000 tokens | 262,144 tokens |
| Parameters | — | — | — | 27B (dense) |
| Modality | text, vision, audio, video | text, vision, audio | text, vision | text, vision, video |
| License | proprietary | proprietary | proprietary | Apache-2.0 |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | Predecessor to Gemini 3 Pro. | 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. | Reasoning-focused model in the o-series. | Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 84.1% | — | — | 78.9% |
| GPQA-D | 84.0% | — | 87.7% | — |
| HumanEval | — | — | — | 91.5% |
| Aider | — | — | — | 70.2% |
| AIME-25 | — | — | 88.9% | — |
| MMMU | 72.4% | — | — | 70.3% |
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GPT-5.6 Sol✓
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Mistral Large 2maxMax 4 models. Remove one to add another.