GPT-6 Astra Pro vs Nex-N2.5-Mini
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Nex-N2.5-Mini is 457.1× 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 262K).
| GPT-6 Astra Pro | Nex-N2.5-Mini | |
|---|---|---|
| Input price / 1M | $10.00 | $0.025 |
| Output price / 1M | $50.00 | $0.10 |
| Blended price (3:1) | $20.00 | $0.0438 |
| Cached input / 1M | $1.00 | $0.0025 |
| Context window | 1.1M | 262K |
| Max output | 128K | 236K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 5 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-09-04 | 2026-09-08 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Astra Pro or Nex-N2.5-Mini?
Nex-N2.5-Mini is 457.1× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.
GPT-6 Astra Pro vs Nex-N2.5-Mini: which has a bigger context window?
GPT-6 Astra Pro: 1,050,000 tokens. Nex-N2.5-Mini: 262,144 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Astra Pro ≈ $45,000, Nex-N2.5-Mini ≈ $100.00.
More comparisons
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 5.5GPT-6 Astra Pro vs MiMo-V2.6-Pro-UltraSpeedGPT-6 Astra Pro vs MiMo-V2.6-FlashGPT-6 Astra Pro vs Grok 4.7GPT-6 Astra Pro vs Qwen3.8 Omni FlashGPT-6 Astra Pro vs GLM 5.3 FlashXGPT-6 Astra Pro vs DeepSeek V4.1 FlashGPT-6 Astra Pro vs GPT-6 AstraGPT-6 Astra Pro vs Qwen3.8 Max (0902)Nex-N2.5-Mini vs GLM 5.3 PrimeNex-N2.5-Mini vs Qwen3.8 Max PrimeNex-N2.5-Mini vs Command A+Nex-N2.5-Mini vs GPT-6 Luna ProNex-N2.5-Mini vs GPT-6 LunaNex-N2.5-Mini vs GPT-6 Sol ProNex-N2.5-Mini vs GPT-6 SolNex-N2.5-Mini vs Claude Opus 5.5