GPT-5.6 Luna Pro vs Qwen3.8 Flash
Price, context window & benchmark comparison
VS
Compare different models
Verdict: Qwen3.8 Flash is 2.0× cheaper than GPT-5.6 Luna Pro on a typical 3:1 input/output mix. GPT-5.6 Luna Pro has the larger context window (1.1M vs 1M).
| GPT-5.6 Luna Pro | Qwen3.8 Flash | |
|---|---|---|
| Input price / 1M | $0.20 | $0.15 |
| Output price / 1M | $1.20 | $0.47 |
| Blended price (3:1) | $0.45 | $0.23 |
| Cached input / 1M | $0.02 | $0.016 |
| Context window | 1.1M | 1M |
| Max output | 128K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 5 | 1 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-09 | 2026-08-26 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-5.6 Luna Pro or Qwen3.8 Flash?
Qwen3.8 Flash is 2.0× cheaper than GPT-5.6 Luna Pro on a typical 3:1 input/output mix.
GPT-5.6 Luna Pro vs Qwen3.8 Flash: which has a bigger context window?
GPT-5.6 Luna Pro: 1,050,000 tokens. Qwen3.8 Flash: 1,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-5.6 Luna Pro ≈ $1,000, Qwen3.8 Flash ≈ $535.00.
More comparisons
GPT-5.6 Luna Pro vs GLM 5.3 PrimeGPT-5.6 Luna Pro vs Qwen3.8 Max PrimeGPT-5.6 Luna Pro vs Command A+GPT-5.6 Luna Pro vs GPT-6 Luna ProGPT-5.6 Luna Pro vs GPT-6 LunaGPT-5.6 Luna Pro vs GPT-6 Sol ProGPT-5.6 Luna Pro vs GPT-6 SolGPT-5.6 Luna Pro vs Claude Opus 5.5GPT-5.6 Luna Pro vs MiMo-V2.6-Pro-UltraSpeedGPT-5.6 Luna Pro vs MiMo-V2.6-FlashGPT-5.6 Luna Pro vs Grok 4.7GPT-5.6 Luna Pro vs Qwen3.8 Omni FlashGPT-5.6 Luna Pro vs GLM 5.3 FlashXGPT-5.6 Luna Pro vs DeepSeek V4.1 FlashGPT-5.6 Luna Pro vs GPT-6 AstraGPT-5.6 Luna Pro vs GPT-6 Astra ProQwen3.8 Flash vs GLM 5.3 PrimeQwen3.8 Flash vs Qwen3.8 Max PrimeQwen3.8 Flash vs Command A+Qwen3.8 Flash vs GPT-6 Luna ProQwen3.8 Flash vs GPT-6 LunaQwen3.8 Flash vs GPT-6 Sol ProQwen3.8 Flash vs GPT-6 SolQwen3.8 Flash vs Claude Opus 5.5