Which is cheaper, R1 0528 or GLM-4.5?

R1 0528, at $1.20 per million tokens against $1.40 for GLM-4.5, three parts input to one part output, read on 16 Sept 2026.

Where is each one cheapest?

R1 0528: $1.20 at Lambda. GLM-4.5: $1.40 at Submodel.

Can I buy both from one provider?

Yes. 15 providers sell both: Submodel, NanoGPT, DeepInfra, Eden AI, Nous Portal, OpenRouter, and more. The cheapest of them for the two together is Submodel.

Which holds more context?

R1 0528, at 164k tokens against 131k.

R1 0528 vs GLM-4.5.

model vs model · prices as of 16 Sept 2026

R1 0528 takes 5 of 5 rounds against GLM-4.5. It is also the cheaper of the two to run, at $1.20 per million tokens against $1.40.

DeepSeekwins 5 rounds

R1 0528

$1.20/M tokens

cheapest we can explain, at Lambda · $0.156 per 1,000 pages

164k context · tool calling · open weights

Lambda ↗

Z.ai

GLM-4.5

$1.40/M tokens

cheapest we can explain, at Submodel · $0.168 per 1,000 pages

131k context · tool calling · open weights

List price in (lower wins)

$0.55/M

$0.60/M

List price out (lower wins)

$2.19/M

$2.20/M

Cheapest we can explain (lower wins)

$1.20/M at Lambda

$1.40/M at Submodel

Standard price (lower wins)

$3.84/M

$4/M

Cost per 1,000 pages (lower wins)

$0.156

$0.168

Context

164k tokens

131k tokens

Open weights

yes

Tool calling

yes

Structured output

yes

not stated

Reads images

Reasoning

yes

Released

28 May 2025

28 Jul 2025

Providers selling it

Price we measure against

the maker's own

Trains on your prompts (no is better)

not stated

Providers selling both · 15

Submodel$3.65 / $1.40
NanoGPT$2.90 / $2.20
DeepInfra$3.65 / $2.80
Eden AI$4.58 / $2.80
Nous Portal$3.65 / $4
OpenRouter$3.65 / $4
TrustedRouter$3.85 / $4.22
Jiekou$4.60 / $4

R1 0528 then GLM-4.5, per million tokens · showing the 8 cheapest of 15

Go further

open in the compare tool →every price for R1 0528 every price for GLM-4.5

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

What moved in the last seven days

GLM-4.5Nous Portal$0.48 / $1.76 $0.60 / $2.2025% dearer · 16 Sept 2026
R1 0528Nous Portal$0.40 / $1.72 $0.50 / $2.1525% dearer · 16 Sept 2026

Frequently asked

Which is cheaper, R1 0528 or GLM-4.5?: R1 0528, at $1.20 per million tokens against $1.40 for GLM-4.5, three parts input to one part output, read on 16 Sept 2026.
Where is each one cheapest?: R1 0528: $1.20 at Lambda. GLM-4.5: $1.40 at Submodel.
Can I buy both from one provider?: Yes. 15 providers sell both: Submodel, NanoGPT, DeepInfra, Eden AI, Nous Portal, OpenRouter, and more. The cheapest of them for the two together is Submodel.
Which holds more context?: R1 0528, 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.