GPT-6 Astra vs Qwen3.5 397B A17B
Price, context window & benchmark comparison
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Verdict: Qwen3.5 397B A17B is 15.5× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra scores higher on the Artificial Analysis Intelligence Index (52.7 vs 18.4). GPT-6 Astra has the larger context window (1.1M vs 262K).
| GPT-6 Astra | Qwen3.5 397B A17B | |
|---|---|---|
| Input price / 1M | $10.00 | $0.55 |
| Output price / 1M | $50.00 | $3.50 |
| Blended price (3:1) | $20.00 | $1.29 |
| Cached input / 1M | $1.00 | $0.23 |
| Context window | 1.1M | 262K |
| Max output | 128K | 236K |
| Intelligence index | 52.7 | 18.4 |
| Coding index | 76.9 | 48.2 |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-04 | 2026-02-16 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6 Astra or Qwen3.5 397B A17B?
Qwen3.5 397B A17B is 15.5× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.
GPT-6 Astra vs Qwen3.5 397B A17B: which has a bigger context window?
GPT-6 Astra: 1,050,000 tokens. Qwen3.5 397B A17B: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Qwen3.5 397B A17B ≈ $2,850.
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