GLM-5 vs Grok 4.20.
model vs model · prices as of
GLM-5 takes 3 of 5 rounds against Grok 4.20. It is also the cheaper of the two to run, at $3.72 per million tokens against $6.25.
Z.aiwins 3 roundsGLM-5
$3.72/M tokens
cheapest we can explain, at OpenRouter · $0.475 per 1,000 pages
205k context · tool calling · open weights
xAIGrok 4.20
$6.25/M tokens
xAI list price, nothing below it is accounted for · $0.90 per 1,000 pages
2M context · tool calling · reads images
List price in (lower wins)
$1/M
$1.25/M
List price out (lower wins)
$3.20/M
$2.50/M
Cheapest we can explain (lower wins)
$3.72/M at OpenRouter
none below list
Standard price (lower wins)
$6.20/M
$6.25/M
Cost per 1,000 pages (lower wins)
$0.475
$0.90
Context
205k tokens
2M tokens
Open weights
yes
not stated
Tool calling
yes
yes
Structured output
not stated
yes
Reads images
no
yes
Reasoning
yes
yes
Released
12 Feb 2026
31 Mar 2026
Providers selling it
51
9
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 · 8
Kilo Gateway$3.72 / $6.25
Nous Portal$3.72 / $6.25
OpenRouter$3.72 / $6.25
TrustedRouter$5.63 / $6.59
Eden AI$6.20 / $6.25
Venice$6.20 / $7.09
NanoGPT$4.05 / $12
Ofox$6.20 / $24
GLM-5 then Grok 4.20, per million tokens
Go further
Add a third or fourth model, or switch the weighting, in the tool.
What moved in the last seven days
- GLM-5
io.net Intelligence$0.86 / $2.75 $0.93 / $2.886% dearer · - GLM-5Nous Portal$0.48 / $1.54 $0.60 / $1.9225% dearer ·
- GLM-5Nous Portal$0.96 / $3.20 $1.20 / $425% dearer ·
- GLM-5TrustedRouter$0.91 / $2.69 $0.98 / $2.694% dearer ·
- Grok 4.20Nous Portal$1 / $2 $1.25 / $2.5025% dearer ·
- GLM-5
Charm Hyper$0.86 / $2.78 $0.86 / $2.750.6% cheaper · - GLM-5
Cortecs$1.24 / $4.14 $1.23 / $4.101.0% cheaper ·
Frequently asked
- Which is cheaper, GLM-5 or Grok 4.20?
- GLM-5, at $3.72 per million tokens against $6.25 for Grok 4.20, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- GLM-5: $3.72 at OpenRouter. Grok 4.20: nobody goes below the maker's own price with a reason we can point at, so $6.25 is the number to beat.
- Can I buy both from one provider?
- Yes. 8 providers sell both: Kilo Gateway, Nous Portal, OpenRouter, TrustedRouter, Eden AI, Venice, and more. The cheapest of them for the two together is Kilo Gateway.
- Which holds more context?
- Grok 4.20, at 2M tokens against 205k.
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.