GPT-5.4 Nano vs GPT-6 Sol
Price, context window & benchmark comparison
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Verdict: GPT-5.4 Nano is 8.6× cheaper than GPT-6 Sol on a typical 3:1 input/output mix. GPT-6 Sol scores higher on the Artificial Analysis Intelligence Index (47.5 vs 20.7). GPT-6 Sol has the larger context window (1.1M vs 400K).
| GPT-5.4 Nano | GPT-6 Sol | |
|---|---|---|
| Input price / 1M | $0.20 | $2.00 |
| Output price / 1M | $1.25 | $10.00 |
| Blended price (3:1) | $0.46 | $4.00 |
| Cached input / 1M | $0.02 | $0.20 |
| Context window | 400K | 1.1M |
| Max output | 128K | 128K |
| Intelligence index | 20.7 | 47.5 |
| Coding index | 56.1 | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-03-17 | 2026-09-22 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT-5.4 Nano or GPT-6 Sol?
GPT-5.4 Nano is 8.6× cheaper than GPT-6 Sol on a typical 3:1 input/output mix.
GPT-5.4 Nano vs GPT-6 Sol: which has a bigger context window?
GPT-5.4 Nano: 400,000 tokens. GPT-6 Sol: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5.4 Nano ≈ $1,025, GPT-6 Sol ≈ $9,000.
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