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Meta | OpenAI | xAI | ||
|---|---|---|---|---|
| Vendor | Meta | OpenAI | xAI | |
| Family | Llama | o-series | Grok | Gemini |
| Release date | 2025-04-05 | 2025-04-16 | 2025-07-09 | 2026-04-22 |
| Context window | 1,000,000 tokens | 200,000 tokens | 256,000 tokens | 2,000,000 tokens |
| Parameters | 400B | — | — | — |
| Modality | text, vision | text, vision | text | text, vision, audio, video |
| License | Llama 4 Community License | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | Mixture-of-experts open-weight model from Meta. | Reasoning-focused model in the o-series. | — | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. |
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