GPT-6 Astra vs Qwen3.5 397B-A17B
GPT-6 Astra (OpenAI) and Qwen3.5 397B-A17B (Alibaba) compared on benchmarks, pricing, context window, and use-case rankings.
- GPT-6 Astra leads on overall intelligence (ECI 169 vs 147).
- Qwen3.5 397B-A17B is cheaper on input tokens — $0.39 vs $10.00 per 1M.
- GPT-6 Astra has a larger context window (1.1M vs 262K tokens).
- GPT-6 Astra ranks higher for coding (94th vs 31th percentile).
| Attribute | GPT-6 Astra | Qwen3.5 397B-A17B |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 169 | 147 |
| Coding | 94 | 31 |
| Math | 95 | 42 |
| Reasoning & Knowledge | 99 | 38 |
| Agentic & Tools | 93 | 34 |
| Specifications | ||
| Developer | OpenAI | Alibaba |
| Family | GPT | Qwen |
| Released | Sep 3, 2026 | Feb 15, 2026 |
| Parameters | — | 397B |
| Availability | API access | Open weights (unrestricted) |
| Context window | 1.1M | 262K |
| Price — $/M input | $10.00 | $0.39 |
| Price — $/M output | $50.00 | $2.34 |
| Inputs | file, image, text | text, image, video |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 89% |
| APEX | 65% | 25% |
| ARC-AGI | 99% | — |
| ARC-AGI-2 | 95% | — |
| GPQA Diamond | 96% | 86% |
| Humanity's Last Exam | 55% | 20% |
| SciCode | 56% | 42% |
| SimpleQA Verified | 76% | — |
| WebDev Arena | 1800 | — |
| WeirdML | 94% | — |
| τ²-bench | — | 84% |
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.
Frequently asked questions
Is GPT-6 Astra better than Qwen3.5 397B-A17B?
On Epoch AI's Capabilities Index, GPT-6 Astra scores higher (169) than Qwen3.5 397B-A17B (147). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, GPT-6 Astra or Qwen3.5 397B-A17B?
Qwen3.5 397B-A17B is cheaper on input tokens at $0.39 per million, versus $10.00 (representative OpenRouter pricing).
Which has a larger context window, GPT-6 Astra or Qwen3.5 397B-A17B?
GPT-6 Astra supports up to 1.1M tokens, compared with 262K for the other.
Which is better for coding, GPT-6 Astra or Qwen3.5 397B-A17B?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, GPT-6 Astra ranks higher — 94th vs 31th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.