DeepSeek V3.1 vs GLM-4.5-Air

Prices checked

DeepSeek V3.1 takes 3 of 5 rounds against GLM-4.5-Air. GLM-4.5-Air counters on price: $0.16 per million tokens against $0.32, for 131k context instead of 164k.

DeepSeekWins 3 rounds

DeepSeek V3.1

164k context · tool calling · open weights

$0.32/M tokens

Cheapest price, at TokenGo · $0.16 per 1,000 pages

Z.ai

GLM-4.5-Air

131k context · tool calling · open weights

$0.16/M tokens

Cheapest price, at ZenMux · 8.7¢ per 1,000 pages

Maker's price in (lower wins)

$0.25/M

$0.20/M

Maker's price out (lower wins)

$0.95/M

$1.10/M

Cheapest price (lower wins)

$0.32/M at TokenGo

$0.16/M at ZenMux

Maker's price, blended (lower wins)

$0.42/M

$0.43/M

Cost per 1,000 pages (lower wins)

$0.16

8.7¢

Context

164k tokens

131k tokens

Open weights

yes

yes

Tool calling

yes

yes

Structured output

yes

not published

Reads images

no

no

Reasoning

yes

yes

Released

21 Aug 2025

28 Jul 2025

Providers selling it

30

24

Price we measure against

OpenRouter

the maker's own

Trains on your prompts (no is better)

not published

not published

Providers selling both · 14

  • Submodel$0.35 / $0.20
  • NanoGPT$0.33 / $0.31
  • Kilo Gateway$0.42 / $0.31
  • Nous Portal$0.42 / $0.31
  • OpenRouter$0.42 / $0.31
  • Eden AI$0.42 / $0.32
  • Hugging Face Inference Providers$0.45 / $0.31
  • Novita$0.45 / $0.31

DeepSeek V3.1, then GLM-4.5-Air, per million tokens; the 8 cheapest of 14.

Go further

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

What moved this week

  1. GLM-4.5-Air

    NanoGPT · 7% dearer ·

    $0.13 / $0.85 $0.12 / $0.80
  2. GLM-4.5-Air

    NanoGPT · 7% dearer ·

    $0.13 / $0.85 $0.12 / $0.80

Frequently asked

Which is cheaper, DeepSeek V3.1 or GLM-4.5-Air?
GLM-4.5-Air, at $0.16 per million tokens against $0.32 for DeepSeek V3.1, blended 3 in : 1 out, read on 31 Oct 2026.
Where is each one cheapest?
DeepSeek V3.1: $0.32 at TokenGo. GLM-4.5-Air: $0.16 at ZenMux.
Can I buy both from one provider?
Yes. 14 providers sell both: Submodel, NanoGPT, Kilo Gateway, Nous Portal, OpenRouter, Eden AI, and more. The cheapest of them for the two together is Submodel.
Which holds more context?
DeepSeek V3.1, at 164k tokens against 131k.

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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