GLM-5.1 API Pricing
GLM-5.1 on Together AI costs $1.40 per 1M input tokens and $4.40 per 1M output tokens (as of ).
| Input | $1.40 / 1M tokens |
|---|---|
| Output | $4.40 / 1M tokens |
| Cached input (read) | $0.26 |
| Cache write | — |
| Batch input / output | — |
| Above 200K tokens (input / output) | — |
| Context window | 203K tokens |
| Max output | — tokens |
| Supports | — |
| Deprecation date | |
| API model id | zai-org/GLM-5.1 |
| In our records since |
What it costs for common jobs
Estimated from the list price above (no caching or batch discount).
| Job | Estimated cost |
|---|---|
| 1,000 chat replies (2,000 tokens in, 500 out each) | $5.00 |
| Summarising 100 long documents (50,000 in, 1,000 out each) | $7.44 |
| 1 million classification calls (300 in, 5 out each) | $442.00 |
Try your own numbers in the LLM API cost calculator.
Price history
No price change recorded since .
Similarly priced models
| Model | Provider | Input / 1M | Output / 1M | Cached input / 1M | Context |
|---|---|---|---|---|---|
| GLM-5.2 | Together AI | $1.40 | $4.40 | $0.26 | 1.04858M |
| GLM-5.3 | Together AI | $1.40 | $4.40 | $0.26 | 1.04858M |
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