Gemini 4 Carbon vs GPT-5.6 Terra Pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Gemini 4 Carbon is 11% cheaper than GPT-5.6 Terra Pro on a typical 3:1 input/output mix. GPT-5.6 Terra Pro has the larger context window (1.1M vs 1M).
| Gemini 4 Carbon | GPT-5.6 Terra Pro | |
|---|---|---|
| Input price / 1M | $2.00 | $2.00 |
| Output price / 1M | $10.00 | $12.00 |
| Blended price (3:1) | $4.00 | $4.50 |
| Cached input / 1M | $0.10 | $0.20 |
| Context window | 1M | 1.1M |
| Max output | 944K | 128K |
| Intelligence index | 60 | — |
| Coding index | — | — |
| Providers | 7 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-11-10 | 2026-07-09 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Gemini 4 Carbon or GPT-5.6 Terra Pro?
Gemini 4 Carbon is 11% cheaper than GPT-5.6 Terra Pro on a typical 3:1 input/output mix.
Gemini 4 Carbon vs GPT-5.6 Terra Pro: which has a bigger context window?
Gemini 4 Carbon: 1,048,576 tokens. GPT-5.6 Terra Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemini 4 Carbon ≈ $9,000, GPT-5.6 Terra Pro ≈ $10,000.
More comparisons
Gemini 4 Carbon vs Claude Fable 5.2Gemini 4 Carbon vs Gemini Omni 1.2 FlashGemini 4 Carbon vs Gemini Omni 1.1 FlashGemini 4 Carbon vs Hy4Gemini 4 Carbon vs GLM 5.3 FlashX LegalGemini 4 Carbon vs GPT-6.1 TerraGemini 4 Carbon vs GPT-6.1 Terra ProGemini 4 Carbon vs Kimi K3.1 ProGemini 4 Carbon vs MiniMax M3.1 FlashGemini 4 Carbon vs DeepSeek V4.1 Flash 1017Gemini 4 Carbon vs Nemotron 3.5 Super VLGemini 4 Carbon vs Gemini 4 ArgonGemini 4 Carbon vs Claude Haiku 5.5Gemini 4 Carbon vs Nano Banana 2.1Gemini 4 Carbon vs Mistral Large 4Gemini 4 Carbon vs GPT-6.1 Sol ProGPT-5.6 Terra Pro vs Claude Fable 5.2GPT-5.6 Terra Pro vs Gemini Omni 1.2 FlashGPT-5.6 Terra Pro vs Gemini Omni 1.1 FlashGPT-5.6 Terra Pro vs Hy4GPT-5.6 Terra Pro vs GLM 5.3 FlashX LegalGPT-5.6 Terra Pro vs GPT-6.1 TerraGPT-5.6 Terra Pro vs GPT-6.1 Terra ProGPT-5.6 Terra Pro vs Kimi K3.1 Pro