GPT-6 Astra vs Hy4 preview
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Hy4 preview is 16.0× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra has the larger context window (1.1M vs 1M).
| GPT-6 Astra | Hy4 preview | |
|---|---|---|
| Input price / 1M | $10.00 | $0.83 |
| Output price / 1M | $50.00 | $2.50 |
| Blended price (3:1) | $20.00 | $1.25 |
| Cached input / 1M | $1.00 | $0.042 |
| Context window | 1.1M | 1M |
| Max output | 128K | 64K |
| Intelligence index | 52.7 | — |
| Coding index | 76.9 | — |
| Providers | 6 | 3 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-04 | 2026-08-28 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Astra or Hy4 preview?
Hy4 preview is 16.0× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.
GPT-6 Astra vs Hy4 preview: which has a bigger context window?
GPT-6 Astra: 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 Astra ≈ $45,000, Hy4 preview ≈ $2,919.
More comparisons
GPT-6 Astra vs GLM 5.3 PrimeGPT-6 Astra vs Qwen3.8 Max PrimeGPT-6 Astra vs Command A+GPT-6 Astra vs GPT-6 Luna ProGPT-6 Astra vs GPT-6 LunaGPT-6 Astra vs GPT-6 Sol ProGPT-6 Astra vs GPT-6 SolGPT-6 Astra vs Claude Opus 5.5GPT-6 Astra vs MiMo-V2.6-Pro-UltraSpeedGPT-6 Astra vs MiMo-V2.6-FlashGPT-6 Astra vs Grok 4.7GPT-6 Astra vs Qwen3.8 Omni FlashGPT-6 Astra vs GLM 5.3 FlashXGPT-6 Astra vs DeepSeek V4.1 FlashGPT-6 Astra vs GPT-6 Astra ProGPT-6 Astra vs Qwen3.8 Max (0902)Hy4 preview vs GLM 5.3 PrimeHy4 preview vs Qwen3.8 Max PrimeHy4 preview vs Command A+Hy4 preview vs GPT-6 Luna ProHy4 preview vs GPT-6 LunaHy4 preview vs GPT-6 Sol ProHy4 preview vs GPT-6 SolHy4 preview vs Claude Opus 5.5