GPT-4.1 vs GPT-6 Sol Pro
Price, context window & benchmark comparison
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Verdict: GPT-4.1 is 13% 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-4.1 | GPT-6 Sol Pro | |
|---|---|---|
| Input price / 1M | $2.00 | $2.00 |
| Output price / 1M | $8.00 | $10.00 |
| Blended price (3:1) | $3.50 | $4.00 |
| Cached input / 1M | $0.50 | $0.20 |
| Context window | 1M | 1.1M |
| Max output | 33K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 6 |
| Best provider uptime (30m) | — | 99.9% |
| Vision input | Yes | Yes |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-04-14 | 2026-09-22 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-4.1 or GPT-6 Sol Pro?
GPT-4.1 is 13% cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.
GPT-4.1 vs GPT-6 Sol Pro: which has a bigger context window?
GPT-4.1: 1,047,576 tokens. GPT-6 Sol Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-4.1 ≈ $8,000, GPT-6 Sol Pro ≈ $9,000.
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