Z.ai: GLM 5.1
z-ai/glm-5-1GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks.
Modalities
In / out per 1M$0.97 / $3.04
Context200K
ReleasedApr 7, 2026
Providers
13 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $1.38 | $4.40 | $0.26 | 2.49s | 48 tps | 100% | |
| $1.40 | $4.40 | $0.26 | 5.53s | 23 tps | 100% | |
| $0.97 | $3.04 | $0.18 | 2.04s | 41 tps | 99.96% | |
| $1.40 | $4.40 | $0.26 | 1.99s | 55 tps | 99.95% | |
 SiliconFlowfp8 | $1.19 | $3.74 | $0.60 | 2.03s | 44 tps | 99.94% |
| $1.40 | $4.40 | $0.26 | 1.08s | 55 tps | 99.83% | |
| $1.40 | $4.40 | Variable | 0.68s | 34 tps | 98.71% | |
| $1.26 | $3.96 | $0.23 | 1.46s | 59 tps | 98.66% | |
| $1.40 | $4.40 | $0.26 | 1.61s | 61 tps | 98.65% | |
| $1.33 | $4.18 | $0.25 | 1.88s | 61 tps | 95.52% | |
| $1.40 | $4.40 | $0.26 | 4.08s | 59 tps | 95.05% | |
| $0.98 | $3.08 | $0.10 | 3.87s | 32 tps | 64.89% | |
| $1.21 | $4.20 | $0.60 | 2.46s | 35 tps | 58.54% |
Market-wide measurements, refreshed every 15 minutes. They describe who serves GLM 5.1 in general, not how ProjectCOZY routes your requests.
Pricing
List rates per 1M tokens — what GLM 5.1 costs pay-as-you-go elsewhere, not what you pay here.
Input
$0.97
per 1M tokens
Output
$3.04
per 1M tokens
Cache read
$0.18
per 1M cached tokens
Included in every pass
GLM 5.1 is included in every ProjectCOZY pass at no extra cost — one flat rate, no per-token metering. The rates above are there for comparison.
Performance
Time to first token and output speed across every provider, over the last 3 days.
0.0s20.0s40.0s60.0s80.0s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Alibaba Cloud Int. Z.ai Chutes Baidu Qianfan SiliconFlow Friendli NovitaAI Venice AtlasCloud GMICloud Nebius Token Factory StreamLake Phala
0 tok/s200 tok/s400 tok/s600 tok/s800 tok/s
Oct 16, 12 AMOct 16, 8 AMOct 16, 4 PMOct 17, 12 AMOct 17, 8 AMOct 17, 4 PMOct 18, 12 AMOct 18, 8 AMOct 18, 4 PMOct 19, 12 AMOct 19, 8 AM
Alibaba Cloud Int. Z.ai Chutes Baidu Qianfan SiliconFlow Friendli NovitaAI AtlasCloud GMICloud Nebius Token Factory StreamLake Venice Phala
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.53%
Oct 16, 11:00 AMNow
Availability over the last 24 hoursAvailability 99.53%
100% 98% 97% 95%
Oct 18, 11:00 AMNow
Apps
Tools that most often run GLM 5.1, by tokens this week.
Activity
141.4B tokens processed market-wide in the last month.
05.0B10.0B15.0B20.0B
Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14Oct 19
Tokens
FAQ
Which model id do I use for GLM 5.1?
z-ai/glm-5.1. Send it as the model field from any OpenAI-compatible client, against http://192.168.1.55/v1.
How much context does GLM 5.1 hold?
204,800 tokens per request, of which up to 128,000 can be the response.
What can it accept and return?
Input: text. Output: text.
What does GLM 5.1 cost on a pass?
Nothing beyond the pass itself. Pay-as-you-go elsewhere it lists at $0.97 per 1M input tokens and $3.04 per 1M output tokens.
Who built GLM 5.1?
Z.ai, in the GLM family.
Explore
Other models your pass can call.
