Today's price · per 1M tokens
Input
$1.40
per 1M tokens
Output
$4.40
per 1M tokens
Blended
$2.15
blended $/1M — 3:1 weighted input:output
Cached input
$0.260
19% of input — prompt caching
Price receipt
We read Z.AI's own pricing page on and found GLM-5.1 listed with a price on the same row — that read is where the number above comes from. We keep the page text we read; its content hash is aac79925f8.
Available on 2 hosts
cheapest blended first · $ per 1M tokensGLM-5.1 is sold by 2 providers. Prices are per 1M tokens (blended = (3×input + 1×output) ÷ 4). The first-party row is the model maker; “vs first-party” shows each host’s blended price relative to it.
| Host | Input | Output | Blended | vs first-party |
|---|---|---|---|---|
| Fireworks details → | $1.40 | $4.40 | $2.15 | 0% |
| Z.AI first-party | $1.40 | $4.40 | $2.15 | — |
Overview
GLM-5.1 model. $1.40/$4.40 per 1M; cached input $0.26.
Deploy this open model on rented GPUs
Open weights mean you can self-host instead of paying per-token API prices. These platforms let you serve it on demand — often cheaper at scale.
Partner links — we may earn a commission if you sign up, at no cost to you. We only list platforms we'd recommend regardless.
Capabilities
struck through = not supportedBenchmark performance
accuracy % · higher is betterEvery per-benchmark score we hold for this model is reported by its own vendor, so none is counted toward an accuracy average or any ranking. The percentile above is its standing across the independent composites below.
- AA Intelligence Index: 26.4 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA-Omniscience Index: 0.8 (−100–100)
- LMSYS Chatbot Arena: 1465.5 ELO (Human preference)
- Ranks #49 of 181 comparably-measured models by percentile score, across 3 independent measurements
- Ranks #106 of 181 comparably-tested models by normalized performance per dollar
160 tokens/sec output
Source: Artificial Analysis, LMSYS Chatbot Arena (UC Berkeley), Z.AI model card · updated · See full rankings →
Specifications
- Provider
- Z.AI
- Context window
- 128K tokens
- Modality
- text
- Parameters
- Proprietary
- Open source
- Yes — open weights available
- Released
- Status
- Current
- Last updated
- Tags
Availability verified: — listed on Z.AI's own page