GLM 5.1 Pricing
BalancedZhipu AI · 205K tokens context
GLM 5.1 from Zhipu AI costs $1.40 per 1 million input tokens and $4.40 per 1 million output tokens as of August 2026 (live OpenRouter data). The model supports a 204,800-token context window (approximately 153,600 words) with a 131K-token maximum output. A typical 1,000-token request costs $0.0014 in input charges; a 10,000-token request costs $0.0140.
| Input price | $1.40 / 1M tokens |
|---|---|
| Output price | $4.40 / 1M tokens |
| Output / input ratio | 3.1× |
| Context window | 204,800 tokens (~153,600 words) |
| Maximum output | 131,072 tokens |
| Cost per 1K tokens (input) | $0.0014 |
| Tier | Balanced |
| Last verified |
GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks.
Input Price
$1.40
per 1 million tokens
Output Price
$4.40
per 1 million tokens
Context Window
205K tokens
max 131K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.00187 | $0.00176 |
| 10-page document (2,500 words) | 3,333 | $0.00467 | $0.0044 |
| 1,000 lines of code | 5,000 | $0.007 | $0.0066 |
| 100K token document | 100,000 | $0.14 | $0.132 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Large 205K-token context window
- ✓Strong general-purpose performance
- ✓Strong general-purpose performance
Limitations
- –Quality and availability can vary by hosting provider
- –Quality and availability can vary by hosting provider
Best Use Cases
Calculate GLM 5.1 Costs
Use the TokenRate calculator to convert any budget, token count, or text into exact GLM 5.1 costs — and compare across all models.
Open Calculator →GLM 5.1 — FAQ
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