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OpenAI | xAI | ||
|---|---|---|---|
| Vendor | OpenAI | xAI | |
| Family | GPT | Grok | Gemini |
| Release date | 2025-04-14 | 2025-07-09 | 2026-05-20 |
| Context window | 1,000,000 tokens | 256,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision | text | text, vision, audio, video |
| License | proprietary | proprietary | proprietary |
| Source | 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. |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | — | 82.8% | 88.9% |
| GPQA-D | — | 87.5% | 91.2% |
| Aider | — | 72.5% | — |
| AIME-25 | — | 86.1% | 96.1% |
| LiveCB | — | 65.3% | — |
| MMMU | — | — | 86.0% |