modelsdev GLM-5.1 (openrouter/z-ai/glm-5.1)
modelsdev GLM-5.1 costs USD 0.966 per 1M input tokens and USD 3.036 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-27 18:32 UTC.
Last verified 2026-10-27T18:32:51+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 0.966 / 1M tokens
- Output
- USD 3.036 / 1M tokens
- Cached input
- USD 0.1794 / 1M
- This price since
- 2026-10-27T06:29:15+00:00
- FX used
- 1 EUR = 1.1188 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 204,800
- Max output
- 128,000
- Open weights
- yes
- Reasoning
- yes
- Source kind
- community
- Vendor
- openrouter
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-19T22:42:32+00:00
- SKU id
llm/modelsdev/openrouter/z-ai/glm-5.1
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/302ai/glm-5.1 | modelsdev (community cross-check) | 1.40 | 4.40 | differs differs by +44.9% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/abacus/zai-org/glm-5.1 | modelsdev (community cross-check) | 1.38 | 4.40 | differs differs by +42.9% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/alibaba-cn/glm-5.1 | modelsdev (community cross-check) | 0.825 | 3.301 | differs differs by -14.6% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/alibaba-token-plan-cn/glm-5.1 | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/alibaba-token-plan/glm-5.1 | modelsdev (community cross-check) | 0.00 | 0.00 | differs | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/auriko/glm-5.1 | modelsdev (community cross-check) | 1.40 | 4.40 | differs differs by +44.9% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/cortecs/glm-5.1 | modelsdev (community cross-check) | 1.384 | 4.348 | differs differs by +43.3% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/crossmodel/z-ai/glm-5.1 | modelsdev (community cross-check) | 1.00 | 3.80 | differs differs by +3.5% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/crusoe/zai/glm-5.1 | modelsdev (community cross-check) | 1.20 | 4.40 | differs differs by +24.2% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/deepinfra/zai-org/glm-5.1 | modelsdev (community cross-check) | 1.05 | 3.50 | differs differs by +8.7% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/dinference/glm-5.1 | modelsdev (community cross-check) | 1.25 | 3.89 | differs differs by +29.4% | 2026-10-27T18:32:51+00:00 |
| llm/modelsdev/ebcloud/glm-5.1 | modelsdev (community cross-check) | 0.8571 | 3.4286 | differs differs by -11.3% | 2026-10-27T18:32:51+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-27T06:29:15+00:00 | USD 0.966 | 0.966 | 0.8634 | 3.036 | #1319 |
| 2026-10-21T05:03:38+00:00 | USD 1.40 | 1.40 | 1.2462 | 4.40 | #548 |
| 2026-10-19T22:42:32+00:00 | USD 0.966 | 0.966 | 0.8606 | 3.036 | #34 |
Each row is a change point: the price held from that moment until the next row. History via the API: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-27T06:29:15+00:00 between 2026-10-27 and 2026-10-27 |
Price change input, per 1M tokens | 1.4 → 0.966 USD (-31.0%) |
| 2026-10-21T05:03:38+00:00 between 2026-10-20 and 2026-10-21 |
Price change input, per 1M tokens | 0.966 → 1.4 USD (+44.9%) |
API: /v1/skus/llm/modelsdev/openrouter/z-ai/glm-5.1
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev GLM-5.1 [data as of 2026-10-27]. https://infrarabbit.com/prices/llm/modelsdev/openrouter/z-ai/glm-5.1 (accessed 2026-10-27). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_openrouter_z_ai_glm_5_1_2026,
author = {InfraRabbit},
title = {modelsdev GLM-5.1},
year = {2026},
howpublished = {\url{https://infrarabbit.com/prices/llm/modelsdev/openrouter/z-ai/glm-5.1}},
note = {Data as of 2026-10-27; accessed 2026-10-27; list prices, not transacted prices; CC BY 4.0}
}