GLM-4.6V vs GPT-5.6 Luna.
model vs model · prices as of
GLM-4.6V takes 3 of 5 rounds against GPT-5.6 Luna. It is also the cheaper of the two to run, at $0.84 per million tokens against $1.80.
Z.aiwins 3 roundsGLM-4.6V
$0.84/M tokens
cheapest we can explain, at ZenMux · $0.109 per 1,000 pages
128k context · tool calling · reads images · open weights
OpenAIGPT-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)
$0.84/M at ZenMux
none below list
Standard price (lower wins)
$1.80/M
$1.80/M
Cost per 1,000 pages (lower wins)
$0.109
$0.192
Context
128k tokens
1.1M tokens
Open weights
yes
no
Tool calling
yes
yes
Structured output
not stated
yes
Reads images
yes
yes
Reasoning
yes
yes
Released
8 Dec 2025
9 Jul 2026
Providers selling it
14
43
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
not stated
no provider to check
Providers selling both · 10
302.AI$0.86 / $1.80
Kilo Gateway$1.80 / $1.80
LLM Gateway$1.80 / $1.80
LLMTR$1.80 / $1.80
NanoGPT$1.80 / $1.80
Nous Portal$1.80 / $1.80
OpenRouter$1.80 / $1.80
Eden AI$1.80 / $1.98
GLM-4.6V then GPT-5.6 Luna, per million tokens · showing the 8 cheapest of 10
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- GLM-4.6VNous Portal$0.24 / $0.72 $0.30 / $0.9025% dearer ·
- GPT-5.6 LunaNous Portal$0.16 / $0.96 $0.20 / $1.2025% dearer ·
- GPT-5.6 Luna
Requesty$0.20 / $1.20 $0.22 / $1.3210% dearer ·
Frequently asked
- Which is cheaper, GLM-4.6V or GPT-5.6 Luna?
- GLM-4.6V, at $0.84 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?
- GLM-4.6V: $0.84 at ZenMux. 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. 10 providers sell both: 302.AI, Kilo Gateway, LLM Gateway, LLMTR, NanoGPT, Nous Portal, and more. The cheapest of them for the two together is 302.AI.
- Which holds more context?
- GPT-5.6 Luna, at 1.1M tokens against 128k.
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.