Pricing · per 1M tokens
| Cached input | $0.260/Mtok (19% of input — prompt caching) |
|---|---|
| Blended avg cost* | $2.90/Mtok |
Available on 2 hosts · cheapest first
GLM 5.1 is sold by 2 providers. Prices are per 1M tokens (blended = avg of input & output). 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 | $2.90 | 0% |
| Z.AI first-party | $1.40 | $4.40 | $2.90 | — |
Each host links to its provider page and official pricing. Prices refresh twice daily.
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.
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Capabilities
Benchmark performance
- LMSYS Chatbot Arena: 1473.4 ELO (human preference)
- Strongest at Humanity's Last Exam — 25%, #21 of 58
Source: Z.AI model card · Updated Mar 1, 2026 · See full rankings →
Specifications
| Provider | Z.AI |
|---|---|
| Context window | 128K tokens |
| Modality | text |
| Parameters | Proprietary |
| Open source | Yes — open weights available |
| Released | Oct 1, 2025 |
| Status | Current |
| Last updated | Jun 25, 2026 |
| Tags | open-weights mid-tier caching |
Cost calculator
At a glance
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Price history
Last updated: Jul 10, 2026 · price links to the official provider pricing page (source above)
No price changes detected — this model's pricing has been stable since we began tracking it.