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$1.33 / $4.18
Context200K
ReleasedApr 7, 2026
Providers
13 providers serve this model upstream.
| Provider | Input /M | Output /M | Cache read /M | Latency P50 | Throughput P50 | Uptime |
|---|---|---|---|---|---|---|
| $1.40 | $4.40 | $0.26 | 1.49s | 54 tps | 100% | |
| $1.40 | $4.40 | $0.26 | 0.40s | 118 tps | 100% | |
| $1.40 | $4.40 | $0.26 | 8.56s | 22 tps | 99.97% | |
| $0.96 | $3.03 | $0.18 | 1.10s | 53 tps | 99.83% | |
 SiliconFlowfp8 | $1.19 | $3.74 | $0.60 | 1.67s | 49 tps | 99.54% |
| $1.38 | $4.40 | $0.26 | 1.76s | 38 tps | 99.38% | |
| $1.26 | $3.96 | $0.23 | 1.56s | 58 tps | 99.2% | |
| $1.40 | $4.40 | Variable | 0.52s | 38 tps | 99.09% | |
| $0.97 | $3.04 | $0.18 | 1.73s | 44 tps | 97.21% | |
| $1.33 | $4.18 | $0.25 | 1.59s | 64 tps | 92.57% | |
| $1.40 | $4.40 | $0.26 | 1.30s | 76 tps | 92.04% | |
| $0.98 | $3.08 | $0.10 | 3.21s | 26 tps | 81.46% | |
| $1.21 | $4.20 | $0.60 | 2.53s | 29 tps | 71.43% |
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
$1.33
per 1M tokens
Output
$4.18
per 1M tokens
Cache read
$0.25
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.
0.0s10.0s20.0s30.0s40.0s
Oct 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 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 11, 12 AMOct 11, 8 AMOct 11, 4 PMOct 12, 12 AMOct 12, 8 AMOct 12, 4 PMOct 13, 12 AMOct 13, 8 AMOct 13, 4 PMOct 14, 12 AMOct 14, 8 AM
Alibaba Cloud Int. Z.ai Chutes Baidu Qianfan SiliconFlow Friendli NovitaAI AtlasCloud GMICloud StreamLake Venice Nebius Token Factory Phala
Uptime
100% of requests were served successfully over the last 3 days, across all providers.
Last 3 daysAvailability 99.52%
Oct 11, 2:00 PMNow
Availability over the last 24 hoursAvailability 99.42%
100% 98% 97% 95%
Oct 13, 2:40 PMNow
Apps
Tools that most often run GLM 5.1, by tokens this week.
Activity
174.9B tokens processed market-wide in the last month.
05.0B10.0B15.0B20.0B
Sep 14Sep 19Sep 24Sep 29Oct 4Oct 9Oct 14
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 131,072 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 $1.33 per 1M input tokens and $4.18 per 1M output tokens.
Who built GLM 5.1?
Z.ai, in the GLM family.
Explore
Other models your pass can call.
