GPT-6 Luna vs Muse Ember
Prices checked
GPT-6 Luna takes 1 of 5 rounds against Muse Ember. Both cost $0.20 per million tokens to run.
OpenAIWins 1 roundGPT-6 Luna
1.1M context · tool calling · reads images
$0.20/M tokensOpenAI's own price · 9¢ per 1,000 pages
MetaMuse Ember
1M context · tool calling · reads images
$0.20/M tokensMeta's own price · 9¢ per 1,000 pages
Maker's price in (lower wins)
$0.10/M
$0.10/M
Maker's price out (lower wins)
$0.50/M
$0.50/M
Cheapest price (lower wins)
none below the maker
none below the maker
Maker's price, blended (lower wins)
$0.20/M
$0.20/M
Cost per 1,000 pages (lower wins)
9¢
9¢
Context
1.1M tokens
1M tokens
Open weights
no
not published
Tool calling
yes
yes
Structured output
yes
yes
Reads images
yes
yes
Reasoning
yes
yes
Released
22 Sept 2026
9 Nov 2026
Providers selling it
45
6
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
no provider to check
no provider to check
Providers selling both · 4
Kilo Gateway$0.20 / $0.20
Nous Portal$0.20 / $0.20
OpenRouter$0.20 / $0.20
Vercel AI Gateway$0.20 / $0.20
GPT-6 Luna, then Muse Ember, per million tokens.
Go further
Add a third or fourth model, or change the weighting, in the tool.
What moved this week
Amazon Bedrock · 9% cheaper · $0.10 / $0.50 $0.11 / $0.55
Frequently asked
- Which is cheaper, GPT-6 Luna or Muse Ember?
- Neither: both run at $0.20 per million tokens, blended 3 in : 1 out, read on 10 Nov 2026.
- Where is each one cheapest?
- GPT-6 Luna: nobody sells it below the maker's own price with a stated reason, so $0.20 is the number to beat. Muse Ember: nobody sells it below the maker's own price with a stated reason, so $0.20 is the number to beat.
- Can I buy both from one provider?
- Yes. 4 providers sell both: Kilo Gateway, Nous Portal, OpenRouter, Vercel AI Gateway. The cheapest of them for the two together is Kilo Gateway.
- Which holds more context?
- GPT-6 Luna, at 1.1M tokens against 1M.
Prices exclude tax, read 10 Nov 2026 from each provider's own catalog. They are per M tokens, blended 3 in : 1 out, and a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.
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