Compare
Claude Sonnet 5.5 vs Grok 4.6
Add, remove, or swap models to compare them side by side.
| Attribute | Claude Sonnet 5.5 | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 156 |
| Coding | 96 | 87 |
| Math | 91 | 87 |
| Reasoning & Knowledge | 76 | 70 |
| Agentic & Tools | 100 | 92 |
| Specifications | ||
| Developer | Anthropic | xAI |
| Family | Claude | Grok |
| Released | Sep 28, 2026 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 500K |
| Price — $/M input | $2.00 | $2.00 |
| Price — $/M output | $10.00 | $6.00 |
| Inputs | text, image, file | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 99% |
| APEX | 76% | 65% |
| GPQA Diamond | 96% | 94% |
| SimpleQA Verified | 47% | 49% |
| WebDev Arena | 1699 | 1618 |
| ARC-AGI | — | 88% |
| ARC-AGI-2 | — | 67% |
| Humanity's Last Exam | — | 43% |
| SciCode | — | 56% |
| SimpleBench | — | 76% |
| WeirdML | — | 67% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Popular comparisons
- Claude Fable 5 vs GPT-6 Astra
- GPT-6 Astra vs Kimi K3
- Gemini 3.7 Flash vs GPT-6 Astra
- GPT-6 Astra vs Grok 4.6
- DeepSeek-V4-Pro-0813 vs GPT-6 Astra
- GPT-6 Astra vs Qwen 3.7 Max
- GPT-6 Astra vs Muse Spark
- Claude Fable 5 vs Kimi K3
- Claude Fable 5 vs Gemini 3.7 Flash
- Claude Fable 5 vs Grok 4.6
- Claude Fable 5 vs DeepSeek-V4-Pro-0813
- Claude Fable 5 vs Qwen 3.7 Max
- Claude Fable 5 vs Muse Spark
- Gemini 3.7 Flash vs Kimi K3
- Grok 4.6 vs Kimi K3
- DeepSeek-V4-Pro-0813 vs Kimi K3
- Kimi K3 vs Qwen 3.7 Max
- Kimi K3 vs Muse Spark
- Gemini 3.7 Flash vs Grok 4.6
- DeepSeek-V4-Pro-0813 vs Gemini 3.7 Flash
- Gemini 3.7 Flash vs Qwen 3.7 Max
- Gemini 3.7 Flash vs Muse Spark
- DeepSeek-V4-Pro-0813 vs Grok 4.6
- Grok 4.6 vs Qwen 3.7 Max
- Grok 4.6 vs Muse Spark
- DeepSeek-V4-Pro-0813 vs Qwen 3.7 Max
- DeepSeek-V4-Pro-0813 vs Muse Spark
- Muse Spark vs Qwen 3.7 Max
- Kimi K2.5 vs Kimi K3
- GPT-5.6 Sol vs GPT-6 Astra
- GPT-5.5 vs GPT-6 Astra
- Kimi K2.6 vs Kimi K3
- Claude Fable 5 vs Claude Opus 5
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.