Z.ai models on Cloudflare Workers AI and OpenRouter

Models: 5; 2 scored
Cheapest call: $0.0051; GLM-5.3 Flash (Workers AI)
Dearest call: $0.0473; GLM-5.3 (Workers AI)
Best bugs caught: 61%; GLM-5.3 (Workers AI)
Newest: 2026-08-26; GLM-5.3 Flash (Workers AI)

Pricing

Z.ai models' list prices per 1M tokens, one review call and reading a pull request.

GLM-5.3 Flash (Workers AI)on Cloudflare Workers AI	$0.15	$0.50	–	$0.0051	$0.0039
GLM-5.2on OpenRouter	$0.0341	$7.00	–	$0.0178	$0.0009
GLM-4.7on OpenRouter	$0.54	$1.98	–	$0.0189	$0.0142
GLM-5on OpenRouter	$1.00	$3.20	–	$0.0339	$0.0262
GLM-5.3 (Workers AI)on Cloudflare Workers AI	$1.40	$4.40	–	$0.0473	$0.0367

Benchmark

Benchmark results
Compare
	2	GLM-5.3 Flash (Workers AI)Z.ai · Economy · open weights	61%	61%	100%	1.8	$0.0035	$0.0066	254s
	3	GLM-5.3 (Workers AI)Z.ai · Mid-range · open weights	61%	61%	99%	1.9	$0.0311	$0.0559	65s

By language and bug kind

Share of known bugs each model caught, by language
Model	All	TypeScript6 bugs	Go4 bugs	Java4 bugs	Rust4 bugs	C#3 bugs	JavaScript3 bugs	Kotlin3 bugs	PHP3 bugs	Python3 bugs	Ruby3 bugs	Swift3 bugs	C++2 bugs	C1 bug
GLM-5.3 Flash (Workers AI)	61%	57%	31%	45%	88%	30%	67%	89%	33%	78%	67%	67%	100%	67%
GLM-5.3 (Workers AI)	61%	78%	19%	46%	73%	48%	33%	72%	44%	58%	67%	100%	100%	67%

Quality against cost

Higher catches more · further left is cheaper

Z.aiFaded: models outside this list95% range: the line through each point

Other benchmarks

Outside benchmarks by model
Model	Arena WebDev	Arena Agent	Epoch Capabilities Index
GLM-5.2	1605Max · range 1599 to 1611	0.023Max · range 0.014 to 0.031	152range 150 to 154
GLM-5	1435range 1427 to 1444	–	146range 144 to 148
GLM-4.7	1435range 1423 to 1447	–	144range 142 to 146

Source: LMArena CC BY 4.0, Oct 16, 2026 · Epoch AI CC BY 4.0, Oct 7, 2026

Families

Other makers

Related lists

Updated Oct 23, 2026Z.ai price list All prices pricing.json