ModelsZ.ai
GLM 5.1
Context
202.8K
tokens
Released
Apr 7, 2026
on OpenRouter
Token share
0.2%
OpenRouter · Jul 16, 2026
Pricing
Price per million tokens
Input $/MTok
$0.97
OpenRouter · Jul 24, 2026
Output $/MTok
$3.04
OpenRouter · Jul 24, 2026
Cache read $/MTok
$0.18
OpenRouter
| Source | Tracked slug | In $/MTok | Out $/MTok | Cache read | Cache write | Context | Effective | Last Δ (in) |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | z-ai/glm-5.1 | $0.97 | $3.04 | $0.18 | — | 204.8K | Jul 24, 2026 | — |
| models.dev | aihubmix/zai-glm-5.1 | $0.84 | $3.38 | $0.18 | — | 200K | Jul 24, 2026 | 39.6% |
latest tracked price per source · Δ = most recent input-price move within that source
2 sources tracking
Input $/MTok
Output $/MTok
per-source step lines · $/MTok
history since Jul 8, 2026
Specs
Context & availability
| Provider | Z.ai |
|---|---|
| Context window | 202.8K tokens |
| Listed on OpenRouter | Apr 7, 2026 |
| Tracked price sources | OpenRouter · models.dev |
| Hugging Face | zai-org/GLM-5.1 |
| OpenRouter slugs | z-ai/glm-5.1 · z-ai/glm-5.1-20260406 |
source: OpenRouter model catalog + tracked price feeds
id: glm-5-1
Usage
Share of OpenRouter tokens
90-day · to Jul 16, 2026
source: OpenRouter model rankings · share of tracked coding-token volume
0.2% on Jul 16, 2026
Benchmarks
Benchmark results
| Benchmark | Configuration | Score | Date | Source |
|---|---|---|---|---|
| AA Agentic Index | z-ai/glm-5.1 | 29.9index | — | or-embedded-aa |
| AA Coding Index | z-ai/glm-5.1 | 55.8index | — | or-embedded-aa |
| AA Intelligence Index | z-ai/glm-5.1 | 40.2index | — | or-embedded-aa |
scores as published by each benchmark; configurations differ — compare within a row's benchmark only
Alternatives
Similar models
| # | Model | Tokens/day | 7d Δ | Head-to-head |
|---|---|---|---|---|
| 1 | DeepSeek V4 FlashDeepSeek | 2.7T | 18.7% | vs GLM 5.1 |
| 2 | Hy3Tencent | 1.3T | 11.6% | vs GLM 5.1 |
| 5 | Nemotron 3 UltraNVIDIA | 733B | 106.3% | vs GLM 5.1 |
| 7 | GLM 5.2Z.ai | 533B | 41% | vs GLM 5.1 |
ranked by OpenRouter usage-rank proximity
snapshot Aug 20, 2026
FAQ
GLM 5.1 FAQ
- How much does GLM 5.1 cost per token?
- GLM 5.1 is priced at $0.97 per million input tokens and $3.04 per million output tokens, per OpenRouter as of Jul 24, 2026.
- What is GLM 5.1's context window?
- GLM 5.1 supports a context window of up to 202.8K tokens, per Z.ai.
- How widely used is GLM 5.1?
- GLM 5.1 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 16, 2026.
- What are the alternatives to GLM 5.1?
- By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.
Alerts
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