GPT-6 Sol vs Phi 4
Price, context window & benchmark comparison
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Verdict: Phi 4 is 45.7× cheaper than GPT-6 Sol on a typical 3:1 input/output mix. GPT-6 Sol has the larger context window (1.1M vs 16K).
| GPT-6 Sol | Phi 4 | |
|---|---|---|
| Input price / 1M | $2.00 | $0.07 |
| Output price / 1M | $10.00 | $0.14 |
| Blended price (3:1) | $4.00 | $0.0875 |
| Cached input / 1M | $0.20 | — |
| Context window | 1.1M | 16K |
| Max output | 128K | 15K |
| Intelligence index | 47.5 | — |
| Coding index | — | — |
| Providers | 7 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | No |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-09-22 | 2025-01-10 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Sol or Phi 4?
Phi 4 is 45.7× cheaper than GPT-6 Sol on a typical 3:1 input/output mix.
GPT-6 Sol vs Phi 4: which has a bigger context window?
GPT-6 Sol: 1,050,000 tokens. Phi 4: 16,384 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Sol ≈ $9,000, Phi 4 ≈ $210.00.
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