GPT-6 Astra vs LongCat 2.0
Price, context window & benchmark comparison
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Verdict: LongCat 2.0 is 38.1× 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 19.1). GPT-6 Astra has the larger context window (1.1M vs 1M).
| GPT-6 Astra | LongCat 2.0 | |
|---|---|---|
| Input price / 1M | $10.00 | $0.30 |
| Output price / 1M | $50.00 | $1.20 |
| Blended price (3:1) | $20.00 | $0.52 |
| Cached input / 1M | $1.00 | $0.006 |
| Context window | 1.1M | 1M |
| Max output | 128K | 262K |
| Intelligence index | 52.7 | 19.1 |
| Coding index | 76.9 | 45.3 |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-04 | 2026-07-20 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-6 Astra or LongCat 2.0?
LongCat 2.0 is 38.1× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.
GPT-6 Astra vs LongCat 2.0: which has a bigger context window?
GPT-6 Astra: 1,050,000 tokens. LongCat 2.0: 1,048,756 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, LongCat 2.0 ≈ $1,200.
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