GLM-5.3 FlashX API
- Input
- $0.37per 1M tokens
- Output
- $1.25per 1M tokens
- Cached input
- $0.075per 1M tokens
- Context
- 1M
GLM-5.3 FlashX for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Explore GLM-5.3 FlashX for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.
- OpenAI-style Chat Completions
- Anthropic-style Messages
- OpenAI-style Responses
Model details
- Context window
- 1M tokens
- Max output
- 131K tokens
- Input
- Text, images
- Output
- Text
- Capabilities
- Reasoning, Vision, Tool calling, Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
GLM-5.3 FlashX API pricing
Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.
| Metric | Price |
|---|---|
| Input | $0.37 |
| Cached input | $0.075 |
| Output | $1.25 |
What GLM-5.3 FlashX costs for real work
Typical workloads at list price, worked out from the rates above. Nothing is added on top.
| Workload | Tokens | Cost |
|---|---|---|
| 1,000 chat replies | 1,500 tokens in, 400 out, each | $1.05 |
| Summarise a 100-page document | 60K tokens in, 2K out | $0.025 |
| 10M tokens of coding-agent work | 10M tokens: 85% cached input, 12% fresh input, 3% output | $1.46 |
| 1M output tokens | Generated text only | $1.25 |
GLM-5.3 FlashX is pay-as-you-go only
GLM-5.3 FlashX is not included in Token Plans. Call it from a pay-as-you-go balance at the list price above, with no gateway fee.
Why teams pick it
- GLM-5.3 FlashX for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
API availability
Availability for this model has not yet been verified. You can compare its features and pricing; request examples will appear once availability is confirmed.
Availability not yet verified
Availability not yet verified
Availability not yet verified
Use GLM-5.3 FlashX in your tools
Every coding agent below has a setup guide. Set the model to glm-5.3-flashx.
More from Z.ai
Alternatives to GLM-5.3 FlashX
- Qwen3 Coder FlashQwen3 Coder Flash for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Alibaba
- Gemini 3.1 Flash LiteUltra-lightweight Gemini for cost-sensitive volume.Google
- MiMo V2.6 ProMiMo V2.6 Pro for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Xiaomi
Questions about this model
- How much does the GLM-5.3 FlashX API cost?
- GLM-5.3 FlashX costs $0.37 per 1M input tokens and $1.25 per 1M output tokens on Inferray, and cached input is $0.075 per 1M. That is the list price, with no gateway fee on top.
- Is there a free tier for GLM-5.3 FlashX?
- No. You add credit and pay GLM-5.3 FlashX's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.
- Am I charged for failed requests?
- No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.
- Is GLM-5.3 FlashX included in Token Plans?
- No. GLM-5.3 FlashX is pay-as-you-go only; Token Plans cover the other text models in the catalog.
- Can I use GLM-5.3 FlashX in Claude Code?
- Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to glm-5.3-flashx. The same key works in Codex, opencode, Cline, and other agents.
- Does GLM-5.3 FlashX support tool calling and vision?
- GLM-5.3 FlashX supports tool calling, image input, reasoning, JSON output and streaming on Inferray.
- Is it the real GLM-5.3 FlashX?
- Yes. A request for glm-5.3-flashx is answered by GLM-5.3 FlashX from Z.ai, billed at its published list price. Inferray never substitutes a different or smaller model.
Prices from the catalog as of November 12, 2026.