GPT-6 Luna Pro vs o3
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-6 Luna Pro is 17.5× cheaper than o3 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 200K).
| GPT-6 Luna Pro | o3 | |
|---|---|---|
| Input price / 1M | $0.10 | $2.00 |
| Output price / 1M | $0.50 | $8.00 |
| Blended price (3:1) | $0.20 | $3.50 |
| Cached input / 1M | $0.01 | $0.50 |
| Context window | 1.1M | 200K |
| Max output | 128K | 100K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-22 | 2025-04-16 |
| Retirement | — | 2026-12-11 |
Cost calculator
FAQ
Which is cheaper, GPT-6 Luna Pro or o3?
GPT-6 Luna Pro is 17.5× cheaper than o3 on a typical 3:1 input/output mix.
GPT-6 Luna Pro vs o3: which has a bigger context window?
GPT-6 Luna Pro: 1,050,000 tokens. o3: 200,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Luna Pro ≈ $450.00, o3 ≈ $8,000.
More comparisons
GPT-6 Luna Pro vs Gemini 4 CarbonGPT-6 Luna Pro vs Claude Fable 5.2GPT-6 Luna Pro vs Gemini Omni 1.2 FlashGPT-6 Luna Pro vs Gemini Omni 1.1 FlashGPT-6 Luna Pro vs Hy4GPT-6 Luna Pro vs GLM 5.3 FlashX LegalGPT-6 Luna Pro vs GPT-6.1 TerraGPT-6 Luna Pro vs GPT-6.1 Terra ProGPT-6 Luna Pro vs Kimi K3.1 ProGPT-6 Luna Pro vs MiniMax M3.1 FlashGPT-6 Luna Pro vs DeepSeek V4.1 Flash 1017GPT-6 Luna Pro vs Nemotron 3.5 Super VLGPT-6 Luna Pro vs Gemini 4 ArgonGPT-6 Luna Pro vs Claude Haiku 5.5GPT-6 Luna Pro vs Nano Banana 2.1GPT-6 Luna Pro vs Mistral Large 4o3 vs Gemini 4 Carbono3 vs Claude Fable 5.2o3 vs Gemini Omni 1.2 Flasho3 vs Gemini Omni 1.1 Flasho3 vs Hy4o3 vs GLM 5.3 FlashX Legalo3 vs GPT-6.1 Terrao3 vs GPT-6.1 Terra Pro