Codestral (latest) vs GPT-5.6 Luna.

model vs model · prices as of

Codestral (latest) and GPT-5.6 Luna split the 5 rounds this table counts: the two list price rows, the cheapest price we can explain, the standard price and context. The weighting you pick decides the rest.

Mistral AI

Codestral (latest)

$1.80/M tokens

Mistral AI list price, nothing below it is accounted for · $0.234 per 1,000 pages

256k context · tool calling · open weights

OpenAI

GPT-5.6 Luna

$1.80/M tokens

OpenAI list price, nothing below it is accounted for · $0.192 per 1,000 pages

1.1M context · tool calling · reads images

List price in (lower wins)

$0.30/M

$0.20/M

List price out (lower wins)

$0.90/M

$1.20/M

Cheapest we can explain (lower wins)

none below list

none below list

Standard price (lower wins)

$1.80/M

$1.80/M

Cost per 1,000 pages (lower wins)

$0.234

$0.192

Context

256k tokens

1.1M tokens

Open weights

yes

no

Tool calling

yes

yes

Structured output

not stated

yes

Reads images

no

yes

Reasoning

no

yes

Released

29 May 2024

9 Jul 2026

Providers selling it

15

43

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 · 14

  • Azure AI Foundry$1.80 / $1.80
  • Kilo Gateway$1.80 / $1.80
  • LLM Gateway$1.80 / $1.80
  • LLMTR$1.80 / $1.80
  • Merge Gateway$1.80 / $1.80
  • NanoGPT$1.80 / $1.80
  • Nous Portal$1.80 / $1.80
  • OpenRouter$1.80 / $1.80

Codestral (latest) then GPT-5.6 Luna, per million tokens · showing the 8 cheapest of 14

Go further

Add a third or fourth model, or switch the weighting, in the tool.

What moved in the last seven days

  1. Codestral (latest)Cortecs$0.35 / $1.04 $0.38 / $1.1410% dearer ·
  2. Codestral (latest)Nous Portal$0.24 / $0.72 $0.30 / $0.9025% dearer ·
  3. GPT-5.6 LunaNous Portal$0.16 / $0.96 $0.20 / $1.2025% dearer ·
  4. GPT-5.6 LunaRequesty$0.20 / $1.20 $0.22 / $1.3210% dearer ·

Frequently asked

Which is cheaper, Codestral (latest) or GPT-5.6 Luna?
Codestral (latest), at $1.80 per million tokens against $1.80 for GPT-5.6 Luna, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?
Codestral (latest): nobody goes below the maker's own price with a reason we can point at, so $1.80 is the number to beat. GPT-5.6 Luna: nobody goes below the maker's own price with a reason we can point at, so $1.80 is the number to beat.
Can I buy both from one provider?
Yes. 14 providers sell both: Azure AI Foundry, Kilo Gateway, LLM Gateway, LLMTR, Merge Gateway, NanoGPT, and more. The cheapest of them for the two together is Azure AI Foundry.
Which holds more context?
GPT-5.6 Luna, at 1.1M tokens against 256k.

Prices exclude tax and are per million tokens, read 16 Sept 2026 from each provider's own catalog. The standard price blends three parts input to one part output; a page is 600 tokens in and 60 out. Bars are scaled to the larger value in each row.

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