GPT-5 Nano vs GPT-6.1 Terra Pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-5 Nano is 14.5× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. GPT-6.1 Terra Pro has the larger context window (1.1M vs 400K).
| GPT-5 Nano | GPT-6.1 Terra Pro | |
|---|---|---|
| Input price / 1M | $0.05 | $1.00 |
| Output price / 1M | $0.40 | $5.00 |
| Blended price (3:1) | $0.14 | $2.00 |
| Cached input / 1M | $0.005 | $0.05 |
| Context window | 400K | 1.1M |
| Max output | 128K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 6 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-07 | 2026-10-26 |
| Retirement | 2026-12-11 | — |
Cost calculator
FAQ
Which is cheaper, GPT-5 Nano or GPT-6.1 Terra Pro?
GPT-5 Nano is 14.5× cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-5 Nano vs GPT-6.1 Terra Pro: which has a bigger context window?
GPT-5 Nano: 400,000 tokens. GPT-6.1 Terra Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5 Nano ≈ $300.00, GPT-6.1 Terra Pro ≈ $4,500.
More comparisons
GPT-5 Nano vs Gemini 4 CarbonGPT-5 Nano vs Claude Fable 5.2GPT-5 Nano vs Gemini Omni 1.2 FlashGPT-5 Nano vs Gemini Omni 1.1 FlashGPT-5 Nano vs Hy4GPT-5 Nano vs GLM 5.3 FlashX LegalGPT-5 Nano vs GPT-6.1 TerraGPT-5 Nano vs Kimi K3.1 ProGPT-5 Nano vs MiniMax M3.1 FlashGPT-5 Nano vs DeepSeek V4.1 Flash 1017GPT-5 Nano vs Nemotron 3.5 Super VLGPT-5 Nano vs Gemini 4 ArgonGPT-5 Nano vs Claude Haiku 5.5GPT-5 Nano vs Nano Banana 2.1GPT-5 Nano vs Mistral Large 4GPT-5 Nano vs GPT-6.1 Sol ProGPT-6.1 Terra Pro vs Gemini 4 CarbonGPT-6.1 Terra Pro vs Claude Fable 5.2GPT-6.1 Terra Pro vs Gemini Omni 1.2 FlashGPT-6.1 Terra Pro vs Gemini Omni 1.1 FlashGPT-6.1 Terra Pro vs Hy4GPT-6.1 Terra Pro vs GLM 5.3 FlashX LegalGPT-6.1 Terra Pro vs GPT-6.1 TerraGPT-6.1 Terra Pro vs Kimi K3.1 Pro