GLM-4.5 vs Sonar
Prices checked
GLM-4.5 takes 3 of 5 rounds against Sonar. It is also the cheaper of the two to run, at $0.35 per million tokens against $1.
Z.aiWins 3 roundsGLM-4.5
131k context · tool calling · open weights
$0.35/M tokensCheapest price, at Submodel · $0.17 per 1,000 pages
Maker's price in (lower wins)
$0.60/M
$1/M
Maker's price out (lower wins)
$2.20/M
$1/M
Cheapest price (lower wins)
$0.35/M at Submodel
none below the maker
Maker's price, blended (lower wins)
$1/M
$1/M
Cost per 1,000 pages (lower wins)
$0.17
$0.66
Context
131k tokens
128k tokens
Open weights
yes
no
Tool calling
yes
no
Structured output
not published
not published
Reads images
no
no
Reasoning
yes
no
Released
28 Jul 2025
1 Jan 2024
Providers selling it
23
15
Price we measure against
the maker's own
the maker's own
Trains on your prompts (no is better)
not published
no provider to check
Providers selling both · 5
Eden AI$0.70 / $1
Kilo Gateway$1 / $1
LLMTR$1 / $1
OpenRouter$1 / $1
Requesty$1 / $1
GLM-4.5, then Sonar, per million tokens.
Go further
Add a third or fourth model, or change the weighting, in the tool.
What moved this week
AI/ML API · 23% cheaper ·
$1 / $1 $1.30 / $1.30
Frequently asked
- Which is cheaper, GLM-4.5 or Sonar?
- GLM-4.5, at $0.35 per million tokens against $1 for Sonar, blended 3 in : 1 out, read on 31 Oct 2026.
- Where is each one cheapest?
- GLM-4.5: $0.35 at Submodel. Sonar: nobody sells it below the maker's own price with a stated reason, so $1 is the number to beat.
- Can I buy both from one provider?
- Yes. 5 providers sell both: Eden AI, Kilo Gateway, LLMTR, OpenRouter, Requesty. The cheapest of them for the two together is Eden AI.
- Which holds more context?
- GLM-4.5, at 131k tokens against 128k.
Prices exclude tax, read 31 Oct 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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