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 Gemini 3.5 | Gemini 2.5 Flash |  GPT-5.5OpenAI |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | ||
| Family | Gemini | Gemini | GPT | Grok |
| Release date | 2026-05-20 | 2025-06-17 | 2026-04-23 | 2025-07-09 |
| Context window | 2,000,000 tokens | 1,000,000 tokens | 400,000 tokens | 256,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio, video | text, vision, audio | text, vision, audio | text |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | Google's cost-and-latency-optimized Gemini 2.5 variant. Generally available June 2025 — designed for high-throughput agentic workflows with sub-second first-token latency. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | — |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 88.9% | — | 87.6% | 82.8% |
| GPQA-D | 91.2% | — | 89.4% | 87.5% |
| HumanEval | — | — | 96.8% | — |
| Aider | — | — | 89.7% | 72.5% |
| AIME-25 | 96.1% | — | 94.2% | 86.1% |
| LiveCB | — | — | 78.9% | 65.3% |
| MMMU | 86.0% | — | 78.4% | — |
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Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5✓Gemini OmnimaxGPT-5.5✓Qwen3.6-27Bmax
DeepSeek-V4-FlashmaxDeepSeek-V4-PromaxGemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5maxGrok 4✓Gemini 2.5 Flash✓Qwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.