GLM-5.3-Flash

zhipuai/glm-5.3-flash

Maker: Zhipu AI (Z.ai), China
Released: 2026-08-26
Family: glm-flash
Weights: open
Tasks: text.chat, text.reasoning, code, vision.understand, vision.extract
Cheapest offering: OpenRouter, about $0.00006 for a typical text.chat call

Try it in the sandbox Use it from the API

Offerings

Provider	Model id at the provider	Status	Price per 1M tokens	Per-unit prices	Limits	Capabilities (level)
DeepInfra	`zai-org/GLM-5.3-Flash`	ga	Input: $0.15 Output: $0.5 Cache read: $0.03 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `input.video` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed
Fireworks AI	`accounts/fireworks/models/glm-5p3-flash`	ga	Input: $0.15 Output: $0.5 Cache read: $0.03 Input, priority tier: $0.1875 Output, priority tier: $0.625 Cache read, priority tier: $0.0375 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,573 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `tool_choice` claimed
Fireworks AI	`accounts/fireworks/routers/glm-flash-latest`	ga	Input: $0.15 Output: $0.5 Cache read: $0.03 Input, priority tier: $0.1875 Output, priority tier: $0.625 Cache read, priority tier: $0.0375 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,573 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed
Mistral AI	`zai-glm-5-3-flash`	ga	Input: $0.15 Output: $0.5 Cache read: $0.03 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `input.video` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `tool_choice` claimed `prompt_caching` claimed
OpenRouter	`z-ai/glm-5.3-flash`	ga	Input: $0.0313 Output: $0.0846 Cache read: $0.03 Unverified: sources disagree by more than 5%Since 2026-11-04 · models.dev, MIT	none	Context: 1,048,576 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.video` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed
Together AI	`zai-org/GLM-5.3-Flash`	ga	Input: $0.15 Output: $0.5 Cache read: $0.03 Since 2026-11-03 · models.dev, MIT	none	Context: 1,048,575 tokens Max output: 400,000 tokens	`input.text` claimed `input.image` claimed `input.video` claimed `input.pdf` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `parallel_tools` claimed `tool_choice` claimed `prompt_caching` claimed
Volcengine Ark	`glm-5-3-flash-260828`	ga	Input: $0.11875 Output: $0.41563 Cache read: $0.03414 Since 2026-11-03 · models.dev, MIT	none	Context: 1,000,000 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `input.video` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed
Zhipu AI (BigModel)	`glm-5.3-flash`	ga	Input: $0.11952 Output: $0.41831 Cache read: $0.03436 Cache write (5 min): $0 Since 2026-11-03 · models.dev, MIT	none	Context: 1,000,000 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `input.video` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `tool_choice` claimed `prompt_caching` claimed
Zhipu AI (BigModel)	`glm-5.3-flashx`	ga	Input: $0.29879 Output: $1.04577 Cache read: $0.08516 Cache write (5 min): $0 Since 2026-11-03 · models.dev, MIT	none	Context: 1,000,000 tokens Max output: 131,072 tokens	`input.text` claimed `input.image` claimed `input.pdf` claimed `input.video` claimed `output.text` claimed `tools` claimed `structured_output` claimed `reasoning` claimed `tool_choice` claimed `prompt_caching` claimed

Quality scores

Basis	Score (0–1)	Raw	Measured	Source
`epoch:gpqa_diamond`	0.935	0.9015	2026-08-26	Epoch AI, CC-BY-4.0, normalized by Nanner Tech
`lmarena:vision_style_control`	0.917	1271.1528	2026-10-19	LMArena, CC-BY-4.0, normalized by Nanner Tech
`curated`	0.600 (estimated)	0.6000	2026-11-02	Curated tier (estimated), Nanner Tech
`epoch:frontiermath`	0.596	0.5579	2026-08-27	Epoch AI, CC-BY-4.0, normalized by Nanner Tech
`lmarena:webdev`	0.474	1606.6487	2026-10-28	LMArena, CC-BY-4.0, normalized by Nanner Tech
`lmarena:agent`	0.000	-0.0249	2026-11-02	LMArena, CC-BY-4.0, normalized by Nanner Tech

Aliases

Other names the API accepts for this model.

accounts/fireworks/models/glm-5p3-flash
accounts/fireworks/routers/glm-flash-latest
glm-5-3-flash-260828
glm-5.3-flash
glm-5.3-flashx
z-ai/glm-5.3-flash
zai-glm-5-3-flash
zai-org/glm-5.3-flash

Use it from the API

Look this model up, or ask for the best model for its task on the providers that offer it. See the quickstart and the API reference.

Look up this model

curl 'https://rhumbdata.com/v1/models/zhipuai/glm-5.3-flash' \
  -H "Authorization: Bearer $RHUMB_KEY"

Resolve text.chat on its providers

curl 'https://rhumbdata.com/v1/resolve?task=text.chat&providers=deepinfra,fireworks,mistral,openrouter,together,volcengine,zhipu' \
  -H "Authorization: Bearer $RHUMB_KEY"

Built from catalog version 2026-11-04.3 of 2026-11-04. Prices are list prices per 1M tokens unless marked otherwise; every score shows its source's notice (see Attributions).