Codestral 2508 vs GPT-6 Astra Pro
Price, context window & benchmark comparison
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Verdict: Codestral 2508 is 44.4× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix. GPT-6 Astra Pro has the larger context window (1.1M vs 256K).
| Codestral 2508 | GPT-6 Astra Pro | |
|---|---|---|
| Input price / 1M | $0.30 | $10.00 |
| Output price / 1M | $0.90 | $50.00 |
| Blended price (3:1) | $0.45 | $20.00 |
| Cached input / 1M | $0.03 | $1.00 |
| Context window | 256K | 1.1M |
| Max output | 205K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 5 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-01 | 2026-09-04 |
| Retirement | — | — |
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FAQ
Which is cheaper, Codestral 2508 or GPT-6 Astra Pro?
Codestral 2508 is 44.4× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.
Codestral 2508 vs GPT-6 Astra Pro: which has a bigger context window?
Codestral 2508: 256,000 tokens. GPT-6 Astra Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Codestral 2508 ≈ $1,050, GPT-6 Astra Pro ≈ $45,000.
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