DeepSeek V3.1 vs GLM-4.5-Air.
model vs model · prices as of
DeepSeek V3.1 takes 3 of 5 rounds against GLM-4.5-Air. GLM-4.5-Air counters on price: $0.80 per million tokens against $1.40, for 131k context instead of 164k.
DeepSeekwins 3 roundsDeepSeek V3.1
$1.40/M tokens
cheapest we can explain, at TensorX · $0.168 per 1,000 pages
164k context · tool calling · open weights
Z.aiGLM-4.5-Air
$0.80/M tokens
cheapest we can explain, at Submodel · $0.09 per 1,000 pages
131k context · tool calling · open weights
List price in (lower wins)
$0.25/M
$0.20/M
List price out (lower wins)
$0.95/M
$1.10/M
Cheapest we can explain (lower wins)
$1.40/M at TensorX
$0.80/M at Submodel
Standard price (lower wins)
$1.70/M
$1.70/M
Cost per 1,000 pages (lower wins)
$0.168
$0.09
Context
164k tokens
131k tokens
Open weights
yes
yes
Tool calling
yes
yes
Structured output
yes
not stated
Reads images
no
no
Reasoning
yes
yes
Released
21 Aug 2025
28 Jul 2025
Providers selling it
12
23
Price we measure against
OpenRouter
the maker's own
Trains on your prompts (no is better)
not stated
not stated
Providers selling both · 5
Nous Portal$1.70 / $1.24
OpenRouter$1.70 / $1.24
Kilo Gateway$1.81 / $1.24
Novita$1.81 / $1.24
SiliconFlow$1.81 / $1.28
DeepSeek V3.1 then GLM-4.5-Air, 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
- DeepSeek V3.1Nous Portal$0.20 / $0.76 $0.25 / $0.9525% dearer ·
- GLM-4.5-AirNous Portal$0.10 / $0.68 $0.13 / $0.8525% dearer ·
Frequently asked
- Which is cheaper, DeepSeek V3.1 or GLM-4.5-Air?
- GLM-4.5-Air, at $0.80 per million tokens against $1.40 for DeepSeek V3.1, three parts input to one part output, read on 16 Sept 2026.
- Where is each one cheapest?
- DeepSeek V3.1: $1.40 at TensorX. GLM-4.5-Air: $0.80 at Submodel.
- Can I buy both from one provider?
- Yes. 5 providers sell both: Nous Portal, OpenRouter, Kilo Gateway, Novita, SiliconFlow. The cheapest of them for the two together is Nous Portal.
- Which holds more context?
- DeepSeek V3.1, at 164k tokens against 131k.
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.