All comparisons
New GPT‑5.6 family is here GPT-5.6 Sol vs GPT-5.6 Terra vs GPT-5.6 Luna vs GPT-5.5
Pricing
| Metric Type | GPT-5.6 SolOpenAI · via OpenRouter | GPT-5.6 TerraOpenAI · via OpenRouter | GPT-5.6 LunaOpenAI · via OpenRouter | GPT-5.5OpenAI · via OpenRouter |
|---|---|---|---|---|
| Inputper 1M tokens | $4.00FileImageText | $2.00FileImageText | $0.20FileImageText | $5.00FileImageText |
| Outputper 1M tokens | $20.00Text | $12.00Text | $1.20Text | $30.00Text |
| Cached inputper 1M tokens | $0.40 | $0.20 | $0.020 | $0.50 |
| Cache writeper 1M tokens | $5.00 | $2.50 | $0.25 | — |
| Web searchper request | $0.010 | $0.010 | $0.010 | $0.010 |
Related comparisons
- Kimi K3 vs the latest frontier modelsGPT-5.6 Sol vs Claude Fable 5 vs Claude Opus 4.8 vs Kimi K3 vs GPT-5.6 Terra
- Claude Sonnet 5.5 vs Claude Opus 5.5 vs GPT-5.6 Sol vs Grok 4.7Claude Sonnet 5.5 vs Claude Opus 5.5 vs GPT-5.6 Sol vs Grok 4.7
- MiMo-V2.6-Pro vs. the closest competing modelsMiMo-V2.6-Pro vs Qwen3.8 Max vs Muse Spark 1.3 vs GPT-5.6 Sol vs GLM 5.3
- Grok 4.7 vs GPT-5.6 Sol vs Claude Opus 5Grok 4.7 vs GPT-5.6 Sol vs Claude Opus 5
- DeepSeek V4.1 Flash vs DeepSeek V4 Pro 0813 vs. the closest competing modelsDeepSeek V4.1 Flash vs DeepSeek V4 Pro 0813 vs Gemini 3.8 Flash vs GLM 5.3 Flash vs GPT-5.6 Terra
- GPT-6 Astra vs. the closest competing modelsGPT-6 Astra vs Claude Fable 5.1 vs GPT-5.6 Sol vs Claude Fable 5 vs Claude Opus 5
Sources
Model makers/Providers:OpenAI ·OpenRouter