Pricingby GlyphGLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s.
Ways to buy 2
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
The lab's own API · cached $0.075 | $0.37 | $1.25 | $0.37 / $1.25List price | $0.075 | List price |
fp8 · cached $0.075 | $0.37 | $1.25 | $0.37 / $1.25Same as list | $0.075 | Same as list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $62.00 direct.
LiteLLM$62.00+0%
Vercel AI Gateway$62.00+0%
Requesty$65.10+5%
Eden AI$65.41+5.5%
OpenRouter$65.41+5.5%
Cloudflare AI GatewayNot offeredNot offered
HeliconeNot offeredNot offered
Kong AI GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
TrueFoundry AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Martian Gateway, Portkey.
Related models
| In / out per 1M | Cheapest route | |||||||
|---|---|---|---|---|---|---|---|---|
Z.ai · 1M | $0.37 | $1.25 | $0.37 / $1.25 | $0.59 | 1M | Lab list price | · | GLM-5.3-FlashX-Legal (GLM-Legal) is Z.ai's legal-domain variant of GLM-5.3-FlashX, a native multimodal model that accepts text, image, and video input and produces text. |
Z.ai · 1M | $2.8 | $8.8 | $2.8 / $8.8 | $4.3 | 1M | Lab list price | · | GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. |
Z.ai · 1M | $0.012 | $0.158 | $0.012 / $0.158 | $0.049 | 1M | on Relace (fp4) | · | GLM-5.3-Flash is a native multimodal model from Z.ai. |
Z.ai · 1M | $0.179 | $1.4 | $0.179 / $1.4 | $0.484 | 1M | on Wafer (fp4) | · | GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. |
 Titan Multimodal Embeddings G1Amazon Nova · 0K | $0.8 | Free | $0.8 / Free | $0.6 | 0K | Lab list price | · | Amazon Titan Multimodal Embeddings G1 embeds text, images, or text and image together into a shared vector space for multimodal search and recommendation. |
Mistral AI · 1M | $0.7 | $2.1 | $0.7 / $2.1 | $1.05 | 1M | on Mistral AI (zdr) | · | Mistral Large 4 is a frontier multimodal (text and image input) model from Mistral AI built for reasoning, coding, and agentic workloads. |
Cohere · 192K | $0.3 | $1.5 | $0.3 / $1.5 | $0.6 | 192K | Lab list price | · | Command A+ is Cohere's flagship model for enterprise agentic workflows. |
DeepSeek · 1M | $0.44 | $1.32 | $0.44 / $1.32 | $0.66 | 1M | on DeepInfra (fp8) | · | DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of DeepSeek V4 Flash 0731 from DeepSeek, adding image understanding while matching the base model on text capabi |
About GLM 5.3 FlashX
Takes text, image, video in and returns text. First listed Sep 19, 2026. Up to 131K output tokens. Blended price $0.59 per 1M tokens at 3 input to 1 output. Model id glm-5-3-flashx.
Price history
List price since Sep 19, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
GLM 5.3 FlashX
Z.ai (fp8) cut its price: cached input $0.09 to $0.075 per 1M tokens.
Z.ai cut its API price: cached input $0.09 to $0.075 per 1M tokens.
Questions
How much does GLM 5.3 FlashX cost?
$0.37 per million input tokens and $1.25 per million output tokens, with cached input at $0.075.
What is the context window of GLM 5.3 FlashX?
1M tokens, with up to 131K tokens of output.
Where is GLM 5.3 FlashX cheapest?
Of 2 routes tracked, Z.ai is cheapest at $0.37 input and $1.25 output per million tokens.