Migrating from glm-5 to glm-5.1
What changes when you move from glm-5 to glm-5.1: input price +40%, output price +37.5%.
- From
- glm-5
- Status
- Active
- Shutdown
- none announced
- Time left
- —
- To
- glm-5.1
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | glm-5 | glm-5.1 | Change |
|---|---|---|---|
| Input | $1.00first seen October 5, 2026 · source | $1.40first seen October 5, 2026 · source | +40% |
| Cached input | $0.20first seen October 5, 2026 · source | $0.26first seen October 5, 2026 · source | +30% |
| Output | $3.20first seen October 5, 2026 · source | $4.40first seen October 5, 2026 · source | +37.5% |
At 1M input and 250K output tokens a month: $1.80 on glm-5, $2.50 on glm-5.1 (+38.9%).
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
TokensNeither company publishes a context window or output limit for these models.
Benchmarks
Same benchmark, source and setting on both sides| Benchmark | glm-5 | glm-5.1 | Change |
|---|---|---|---|
| Arena TextArena. | 1457 ±4 | 1465 ±4 | +8 within range |
| Arena Text: CodingArena. Ranges don't overlap. | 1498 ±7 | 1512 ±6 | +14 |
| Arena WebDevArena. Ranges don't overlap. | 1435 ±8 | 1508 ±7 | +73 |
| GPQA DiamondEpoch AI. | 87.8% | 89.9% | +2.1 pts |
| OTIS Mock AIME 2024-2025Epoch AI. | 80.0% | 93.3% | +13.3 pts |
| SWE-bench VerifiedEpoch AI. | 72.1% | 74.2% | +2.1 pts |
A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsNeither company publishes feature facts for these models.
Aliases
All aliasesNo aliases point at either model.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| glm-5 | Amazon Bedrock | zai.glm-5 | not before Feb 11, 2027Active | |
| glm-5 | Google Cloud Vertex AI | glm-5-maas | Oct 21, 2026Deprecated | 6 days |
Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Checklist
- Change the model string from
glm-5toglm-5.1. - Re-check costs: glm-5.1 costs more than glm-5 (input +40%, output +37.5%).
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: glm-5, glm-5.1.