GPT-5.6 Sol vs GPT-5.6 Terra
GPT-5.6 Terra is about 2.5× cheaper than GPT-5.6 Sol on blended token cost ($4.50 vs $11.25 per 1M). GPT-5.6 Sol (OpenAI) is $11.25/1M blended, 1.1M context. GPT-5.6 Terra (OpenAI) is $4.50/1M blended, 1.1M context.
Last verified: 13 Aug 2026 · prices from official provider documentation
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| Spec | GPT-5.6 Sol | GPT-5.6 Terra |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Status | GA | GA |
| Input $/1M | $5 | $2 ◎ |
| Output $/1M | $30 | $12 ◎ |
| Blended $/1M | $11.25 | $4.50 ◎ |
| Context | 1.1M | 1.1M |
| Max output | 128K | 128K |
| Cutoff | 2026-02-16 | 2026-02-16 |
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