GPT-6 Sol Pro vs Hy4 preview
Price, context window & benchmark comparison
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Compare different models
Verdict: Hy4 preview is 3.2× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 1M).
| GPT-6 Sol Pro | Hy4 preview | |
|---|---|---|
| Input price / 1M | $2.00 | $0.83 |
| Output price / 1M | $10.00 | $2.50 |
| Blended price (3:1) | $4.00 | $1.25 |
| Cached input / 1M | $0.20 | $0.042 |
| Context window | 1.1M | 1M |
| Max output | 128K | 64K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | 3 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-22 | 2026-08-28 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Sol Pro or Hy4 preview?
Hy4 preview is 3.2× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.
GPT-6 Sol Pro vs Hy4 preview: which has a bigger context window?
GPT-6 Sol Pro: 1,050,000 tokens. Hy4 preview: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Sol Pro ≈ $9,000, Hy4 preview ≈ $2,919.
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