Compare
GPT-6 Astra Pro vs Kimi K3
Add, remove, or swap models to compare them side by side.
| Attribute | GPT-6 Astra Pro | Kimi K3 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 158 |
| Coding | — | 97 |
| Math | — | 82 |
| Reasoning & Knowledge | — | 73 |
| Agentic & Tools | — | 80 |
| Specifications | ||
| Developer | OpenAI | Moonshot |
| Family | GPT | Kimi |
| Released | Sep 4, 2026 | Jul 16, 2026 |
| Parameters | — | 2.8T |
| Availability | — | Open weights (non-commercial) |
| Context window | 1.1M | 1M |
| Price — $/M input | $10.00 | $2.10 |
| Price — $/M output | $50.00 | $10.95 |
| Inputs | file, image, text | text, image, video |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | — | 97% |
| APEX | — | 39% |
| ARC-AGI | — | 95% |
| ARC-AGI-2 | — | 60% |
| GPQA Diamond | — | 93% |
| Humanity's Last Exam | — | 47% |
| SciCode | — | 60% |
| SimpleBench | — | 61% |
| SimpleQA Verified | — | 51% |
| WebDev Arena | — | 1674 |
| WeirdML | — | 83% |
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
- GPT-6 Astra vs Grok 4.6
- DeepSeek-V4-Pro-0813 vs GPT-6 Astra
- Gemini 3.1 Pro 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 Grok 4.6
- Claude Fable 5 vs DeepSeek-V4-Pro-0813
- Claude Fable 5 vs Gemini 3.1 Pro
- Claude Fable 5 vs Qwen 3.7 Max
- Claude Fable 5 vs Muse Spark
- Grok 4.6 vs Kimi K3
- DeepSeek-V4-Pro-0813 vs Kimi K3
- Gemini 3.1 Pro vs Kimi K3
- Kimi K3 vs Qwen 3.7 Max
- Kimi K3 vs Muse Spark
- DeepSeek-V4-Pro-0813 vs Grok 4.6
- Gemini 3.1 Pro vs Grok 4.6
- Grok 4.6 vs Qwen 3.7 Max
- Grok 4.6 vs Muse Spark
- DeepSeek-V4-Pro-0813 vs Gemini 3.1 Pro
- DeepSeek-V4-Pro-0813 vs Qwen 3.7 Max
- DeepSeek-V4-Pro-0813 vs Muse Spark
- Gemini 3.1 Pro vs Qwen 3.7 Max
- Gemini 3.1 Pro vs Muse Spark
- Muse Spark vs Qwen 3.7 Max
- Claude Fable 5 vs Claude Opus 5
- GPT-5.6 Sol vs GPT-6 Astra
- GPT-5.5 vs GPT-6 Astra
- Kimi K2.6 vs Kimi K3
- Kimi K2.5 vs Kimi K3
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.