API model · 5 comparisons
GPT-6 Luna compared
How GPT-6 Luna stacks up against other models on price, limits and the inputs it accepts. Pick a matchup for the full side-by-side, a monthly cost calculator and our verdict.
Prices checked 15 October 2026 from the OpenRouter API.
GPT-6 Luna at a glance
- Input / 1M tokens
- $0.10
- Output / 1M tokens
- $0.50
- Context window
- 1,050,000 tokens
- Longest reply
- 128,000 tokens
- Accepts
- file, image, text
- Providers on OpenRouter
- 3
- Best provider uptime, 24 h
- 100%
Compare GPT-6 Luna with
GPT-6 Luna vs GPT-6 Sol
GPT-6 Luna and GPT-6 Sol are two models from OpenAI's GPT-6 family. Luna is the budget option and Sol the mid-priced all-rounder. They take the same inputs and have the same limits.
See the comparison vs Gemini 3.8 FlashGPT-6 Luna vs Gemini 3.8 Flash
GPT-6 Luna and Gemini 3.8 Flash are both built for high-volume apps where cost per request matters. Luna is much cheaper. Gemini can also handle audio and video.
See the comparison vs DeepSeek V4.1 FlashDeepSeek V4.1 Flash vs GPT-6 Luna
DeepSeek V4.1 Flash and GPT-6 Luna are two of the cheapest capable models around. Luna's price is set by OpenAI. DeepSeek is served by dozens of providers, each with its own price, so which is cheaper depends on where you run it.
See the comparison vs Claude Haiku 5.5Claude Haiku 5.5 vs GPT-6 Luna
Claude Haiku 5.5 and GPT-6 Luna are the budget models from Anthropic and OpenAI. Their base prices are identical, so the differences are in long-prompt pricing and which platform you prefer.
See the comparison vs Claude Sonnet 5.5Claude Sonnet 5.5 vs GPT-6 Luna
Claude Sonnet 5.5 is a mid-priced all-rounder. GPT-6 Luna is OpenAI's budget model at a twentieth of the price. Both read text, images and files. The question is whether Luna is good enough for your feature.
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