GPT-6.1 Terra Pro vs Hy4 preview
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Hy4 preview is 37% 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 1M).
| GPT-6.1 Terra Pro | Hy4 preview | |
|---|---|---|
| Input price / 1M | $1.00 | $0.83 |
| Output price / 1M | $5.00 | $2.50 |
| Blended price (3:1) | $2.00 | $1.25 |
| Cached input / 1M | $0.05 | $0.042 |
| Context window | 1.1M | 1M |
| Max output | 128K | 64K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | 6 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-10-26 | 2026-08-28 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6.1 Terra Pro or Hy4 preview?
Hy4 preview is 37% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs Hy4 preview: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. Hy4 preview: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Hy4 preview ≈ $2,919.
More comparisons
GPT-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 ProGPT-6.1 Terra Pro vs MiniMax M3.1 FlashGPT-6.1 Terra Pro vs DeepSeek V4.1 Flash 1017GPT-6.1 Terra Pro vs Nemotron 3.5 Super VLGPT-6.1 Terra Pro vs Gemini 4 ArgonGPT-6.1 Terra Pro vs Claude Haiku 5.5GPT-6.1 Terra Pro vs Nano Banana 2.1GPT-6.1 Terra Pro vs Mistral Large 4GPT-6.1 Terra Pro vs GPT-6.1 Sol ProHy4 preview vs Gemini 4 CarbonHy4 preview vs Claude Fable 5.2Hy4 preview vs Gemini Omni 1.2 FlashHy4 preview vs Gemini Omni 1.1 FlashHy4 preview vs Hy4Hy4 preview vs GLM 5.3 FlashX LegalHy4 preview vs GPT-6.1 TerraHy4 preview vs Kimi K3.1 Pro