GPT-5.6 Cyber vs GPT-5.6 Terra
GPT-5.6 Terra is about 6.3× cheaper than GPT-5.6 Cyber on blended token cost ($4.50 vs $28.13 per 1M). GPT-5.6 Cyber (OpenAI) is $28.13/1M blended, 400K context. GPT-5.6 Terra (OpenAI) is $4.50/1M blended, 1.1M context.
Last verified: 26 Sep 2026 · prices from official provider documentation
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| Spec | GPT-5.6 Cyber | GPT-5.6 Terra |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Status | GA | GA |
| Input $/1M | $12.50 | $2 ◎ |
| Output $/1M | $75 | $12 ◎ |
| Blended $/1M | $28.13 | $4.50 ◎ |
| Context | 400K | 1.1M ◎ |
| Max output | 128K | 128K |
| Cutoff | 2026-02-16 | 2026-02-16 |
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- DeprecatingGoogle re-pointed the Gemini 2.5 TTS migration path past the 3.1 preview and onto the new GA 3.8 TTS models
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