GPT-5.4 Mini vs GPT-6 Astra Pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-5.4 Mini is 11.9× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix. GPT-6 Astra Pro has the larger context window (1.1M vs 400K).
| GPT-5.4 Mini | GPT-6 Astra Pro | |
|---|---|---|
| Input price / 1M | $0.75 | $10.00 |
| Output price / 1M | $4.50 | $50.00 |
| Blended price (3:1) | $1.69 | $20.00 |
| Cached input / 1M | $0.075 | $1.00 |
| Context window | 400K | 1.1M |
| Max output | 128K | 128K |
| Intelligence index | 24.1 | — |
| Coding index | 56.1 | — |
| Providers | — | 5 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-03-17 | 2026-09-04 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-5.4 Mini or GPT-6 Astra Pro?
GPT-5.4 Mini is 11.9× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.
GPT-5.4 Mini vs GPT-6 Astra Pro: which has a bigger context window?
GPT-5.4 Mini: 400,000 tokens. GPT-6 Astra Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5.4 Mini ≈ $3,750, GPT-6 Astra Pro ≈ $45,000.
More comparisons
GPT-5.4 Mini vs GLM 5.3 PrimeGPT-5.4 Mini vs Qwen3.8 Max PrimeGPT-5.4 Mini vs Command A+GPT-5.4 Mini vs GPT-6 Luna ProGPT-5.4 Mini vs GPT-6 LunaGPT-5.4 Mini vs GPT-6 Sol ProGPT-5.4 Mini vs GPT-6 SolGPT-5.4 Mini vs Claude Opus 5.5GPT-5.4 Mini vs MiMo-V2.6-Pro-UltraSpeedGPT-5.4 Mini vs MiMo-V2.6-FlashGPT-5.4 Mini vs Grok 4.7GPT-5.4 Mini vs Qwen3.8 Omni FlashGPT-5.4 Mini vs GLM 5.3 FlashXGPT-5.4 Mini vs DeepSeek V4.1 FlashGPT-5.4 Mini vs GPT-6 AstraGPT-5.4 Mini vs Qwen3.8 Max (0902)GPT-6 Astra Pro vs GLM 5.3 PrimeGPT-6 Astra Pro vs Qwen3.8 Max PrimeGPT-6 Astra Pro vs Command A+GPT-6 Astra Pro vs GPT-6 Luna ProGPT-6 Astra Pro vs GPT-6 LunaGPT-6 Astra Pro vs GPT-6 Sol ProGPT-6 Astra Pro vs GPT-6 SolGPT-6 Astra Pro vs Claude Opus 5.5