GPT-6 Astra vs DeepSeek V4 Pro 0813
GPT-6 Astra vs DeepSeek V4 Pro 0813: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- DeepSeek V4 Pro 0813 is 20× cheaper than GPT-6 Astra for the same mix of input and output tokens.
- GPT-6 Astra has the larger context window (1.1M), useful for long documents and big codebases.
- GPT-6 Astra is the more recent release (Sep 4, 2026).
- Only DeepSeek V4 Pro 0813 has openly published weights you can run yourself.
- Only GPT-6 Astra accepts images as input.
- GPT-6 Astra scores higher on independent tests (overall index 166.6 vs 155.4).
- Choose DeepSeek V4 Pro 0813 if cost matters most; choose GPT-6 Astra if you need its specific strengths above. For the best results, test both on your own prompts.
| GPT-6 Astra | DeepSeek V4 Pro 0813 | |
|---|---|---|
| Company | OpenAI | DeepSeek |
| Released | Sep 4, 2026 ● | Aug 12, 2026 |
| Overall index | 166.6 ● | 155.4 |
| SWE-bench Verified | — | 77.6% |
| GPQA Diamond | 95.8% ● | 91.7% |
| AIME math | 100% ● | 98.6% |
| FrontierMath | 93.7% ● | 64.6% |
| SimpleQA Verified | 75.6% ● | 52.9% |
| Input (per 1M tokens) | $10 | $0.66 ● |
| Output (per 1M tokens) | $50 | $1.98 ● |
| Cost for 1M input + 1M output tokens | $60.00 | $2.64 ● |
| Providers | 7 | 20 ● |
| Context | 1.1M ● | 1M |
| Max output | 128K | 384K ● |
| Inputs | Files, Image, Text ● | Text |
| Outputs | Text | Text |
| Reasoning | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | ✓ |