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 Gemini Omni | Gemini 2.5 Pro |  Grok 4xAI |  Claude 4.8 OpusAnthropic | |
|---|---|---|---|---|
| Vendor | xAI | Anthropic | ||
| Family | Gemini | Gemini | Grok | Claude |
| Release date | 2026-05-20 | 2025-03-25 | 2025-07-09 | 2026-05-28 |
| Context window | 1,000,000 tokens | 2,000,000 tokens | 256,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio, video | text, vision, audio, video | text | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | Predecessor to Gemini 3 Pro. | — | Anthropic's flagship hybrid-reasoning model — Opus 4.8 pushes coding and AI-agent workflows further (agentic coding 69.2% vs 64.3% on 4.7; multidisciplinary reasoning 57.9% vs 54.7%). 1M-token context, $5/$25 per MTok pricing held flat from Opus 4.7. Introduces Dynamic Workflows for Claude Code (research preview). GA on Anthropic API (`claude-opus-4-8`), AWS Bedrock, Google Vertex, Microsoft Foundry, and GitHub Copilot. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 84.1% | 82.8% | — |
| GPQA-D | — | 84.0% | 87.5% | — |
| Aider | — | — | 72.5% | — |
| AIME-25 | — | — | 86.1% | — |
| LiveCB | — | — | 65.3% | — |
| MMMU | 82.5% | 72.4% | — | — |
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Claude 4.8 Opus✓
Qwen3.7-MaxmaxGemini 3.5maxGemini Omni✓
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Mistral Large 2maxMax 4 models. Remove one to add another.