97% offGLM 5.3 Flash API
Zhipu AI·Vision· 97.6% success (7d)
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...
Pricing
Cheapest live price, per 1 million tokens.
Input / 1M tokens
$0.040 OpenRouter
Output / 1M tokens
$0.230 OpenRouter
Cache read / 1M
Repeated prompt prefixes
Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).
Capabilities · 7
Specifications
- Context window
- 1.0M
- Max output
- 131K
- Type
- Vision
- Creator
- Zhipu AI
- Live sellers
- 217
- Requests / 24h
- 288,776
Price history · 60 days
Estimated monthly cost
30 days at the cheapest live price.
Quick start
OpenAI-compatible — change the base URL and key. Get a key from the dashboard.
from openai import OpenAI
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="YOUR_QUBAX_API_KEY",
)
response = client.chat.completions.create(
model="glm-5.3-flash",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)About GLM 5.3 Flash
GLM 5.3 Flash is a multimodal language model developed by Zhipu AI. It's particularly well-suited for analyzing images, screenshots, and visual content, tackling complex, multi-step reasoning problems, orchestrating tool-using agents that call APIs and external services, producing structured outputs for reliable data extraction and handling large contexts of up to 1.0M tokens. Its 1.0M-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 131K tokens in a single response.
As of Oct 10, 2026, GLM 5.3 Flash costs $0.0023 per 1M input tokens and $0.0075 per 1M output tokens on Qubax, versus $0.040 / $0.230 on OpenRouter (94% less on input). A typical 1,000 chat requests (2K tokens in, 500 out) come to about $0.01. Measured availability over the last 7 days: 97.6%. 217 independent compute providers currently serve it, so requests fail over automatically. It handled 288,776 requests on Qubax in the last 24 hours. Pay with USDC, USDT, BTC, ETH or 200+ other coins — no credit card required.
Similar-priced alternatives
Frequently asked questions
How much does the GLM 5.3 Flash API cost?
On Qubax, GLM 5.3 Flash costs $0.0023 per 1M input tokens and $0.0075 per 1M output tokens. This is 94% cheaper than OpenRouter's price of $0.040 per 1M input tokens.
Is the GLM 5.3 Flash API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use GLM 5.3 Flash as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
Why is GLM 5.3 Flash cheaper on Qubax than OpenRouter?
Qubax sources AI inference from an open compute marketplace on the Base blockchain where GPU providers compete on price. We pass the savings to you — 94% cheaper than OpenRouter's price for GLM 5.3 Flash.
How do I pay for GLM 5.3 Flash API usage?
Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 200+ other coins and your balance is deducted as you use the API. No credit card or KYC required.
What is the context window of GLM 5.3 Flash?
GLM 5.3 Flash supports a context window of 1.0M tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with GLM 5.3 Flash?
You can use GLM 5.3 Flash to analyze images and visual content, tackle complex multi-step reasoning tasks, build autonomous agents that call external tools and APIs, generate structured JSON output for data pipelines and process long documents and entire codebases. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.
How fast and reliable is GLM 5.3 Flash on Qubax?
Measured time to first token (p95) on Qubax is 41.4s. Its 7-day success rate is 97.6%. Responses stream token by token. 217 providers serve it, so if one is slow or down the request moves to the next.
GLM 5.3 Flash vs GPT OSS Safeguard 120B: which should I choose?
GLM 5.3 Flash by Zhipu AI and GPT OSS Safeguard 120B by OpenAI are both strong models in a similar price tier. GLM 5.3 Flash excels at complex reasoning and supports vision/image inputs. GPT OSS Safeguard 120B comes from a different lab and may have different strengths depending on your workload. On Qubax, GLM 5.3 Flash starts at $0.0023/1M input tokens versus GPT OSS Safeguard 120B's $0.0045/1M — making GLM 5.3 Flash the more cost-effective option for high-volume workloads. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.
Can I use GLM 5.3 Flash for commercial projects?
Yes. GLM 5.3 Flash on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
Why use GLM 5.3 Flash on Qubax?
97% cheaper
Providers compete on price — you get the cheapest healthy seller.
Pay with crypto
200+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.
OpenAI compatible
Drop-in base URL. Works with Cline, Cursor and any OpenAI SDK.