One agent session
1M input tokens and 100K output tokens, no caching.
- Input1M x $0.60 = $0.60
- Output0.1M x $2.20 = $0.22
$0.82per session
Z.ai - Open weights
GLM-4.6 pricing and specs
GLM-4.6 is an open-weights model from Z.ai that costs $0.60 per 1M input tokens and $2.20 per 1M output tokens on the first-party API, with a 200K-token context window.
Last verified from docs.z.ai. All sources
- Input / 1M
- $0.60
- Output / 1M
- $2.20
- Context
- 200K tokens
- Weights
- Open
Pricing per 1M tokens
| Item | Price / 1M tokens |
|---|---|
| Input | $0.60 |
| Output | $2.20 |
| Cache read | $0.11 |
Note: Previous generation, still priced; same price as GLM-4.7. Text-only input. Cached input storage is limited-time free.
Specs
- Context window
- 200,000 tokens
- Max output
- 128,000 tokens
- Release date
- Provider
- Z.ai
- API model id
glm-4.6- Vercel AI Gateway id
zai/glm-4.6- Weights
- Open weights
- License
- MIT
- Weights download
- huggingface.co
What GLM-4.6 costs in practice
Worked from the standard list rates above, with the math shown so you can swap in your own token counts.
A chat app
10,000 requests a day at 2K input and 500 output tokens each.
- Input20M x $0.60 = $12.00
- Output5M x $2.20 = $11.00
$23.00per day
$690.00 per 30-day month
The same session at a 90% cache hit
90% of the input is read from the prompt cache. The one-time cache write premium is not included.
- Cached input0.9M x $0.11 = $0.099
- Uncached input0.1M x $0.60 = $0.06
- Output0.1M x $2.20 = $0.22
$0.379per session
Compare with
| Model | Input / 1M | Output / 1M |
|---|---|---|
| GLM-4.6 (this page) | $0.60 | $2.20 |
| GLM-4.5Z.ai | $0.60 | $2.20 |
| GLM-4.7Z.ai | $0.60 | $2.20 |
| Qwen3.5-Omni-FlashAlibaba Cloud (Qwen) | $0.40 | $2.20 |
| Qwen3.6-35B-A3BAlibaba Cloud (Qwen) | $0.375 | $2.25 |
| GLM-5.3-FlashXZ.ai | $0.37 | $1.25 |
| GLM-5Z.ai | $1 | $3.20 |
| GLM-4.5-AirZ.ai | $0.20 | $1.10 |
| GLM-4.6VZ.ai | $0.30 | $0.90 |
Related reading
- Anthropic's GLM-5.3 Cyber Report: The Numbers, the Backlash, and What Developers Should Take From ItAnthropic's GLM-5.3 cyber report: exploit numbers against Claude Mythos Preview, how its safeguards were stripped, the backlash, and the read for developers.
- GLM-5.3 Free and Cheap: Every Route and Price (October 2026)GLM-5.3 has no free hosted tier. Cheapest on October 9: Wafer via OpenRouter at $0.049/$3.39, Flash from $0.075/$0.25. Z.ai's promos ended October 7.
- Prime Agent: A Self-Improving Coding Harness Where Everything Is PythonPrime Agent is Prime Intellect's open-source coding harness with one tool, a persistent IPython kernel. How it works, its benchmarks, and Claude Code compared.
- Cloudflare Runs Kimi and GLM at Scale: FP8 KV Caches, INT4 Weights, and a Cache Safety NetCloudflare runs Kimi K2.6 and GLM 5.2 on Workers AI with FP8 KV caches, INT4 weights and a KV cache integrity check. What each technique buys on GPU fleets.
- Colibri: Run GLM 5.2 on a 32GB Laptop With Disk StreamingA solo developer built a 1,300-line C inference engine that runs the 744B GLM 5.2 model on consumer hardware by streaming routed experts from disk.
- GLM 5.2 Matches Human Bookkeeper Accuracy on UK VAT Returns - With Some CaveatsGLM 5.2 UK VAT return benchmark: how the model handled 59 transactions with near-human bookkeeper accuracy, where it erred, and why HN focused on liability.
FAQ
How much does GLM-4.6 cost per million tokens?
GLM-4.6 costs $0.60 per 1M input tokens and $2.20 per 1M output tokens on Z.ai's first-party API, per docs.z.ai on October 17, 2026. Per 1M tokens, cache reads cost $0.11.
What is GLM-4.6's context window?
GLM-4.6 has a 200,000-token context window and returns up to 128,000 output tokens per response.
Are GLM-4.6's weights open?
Yes. GLM-4.6's weights are published at https://huggingface.co/zai-org/GLM-4.6 under the MIT.
When was GLM-4.6 released?
Z.ai released GLM-4.6 on September 30, 2025.
Sources
Last verified from docs.z.ai.
Newsletter
Get model price changes as they ship
One email per week. New model releases, price cuts and what they mean for your bill.