This model is deprecated. We only continue performance benchmarking for the default 10k input token workload. Results for other workloads are historical and no longer updated.
Z AI has launched a newer model, GLM-4.7-Flash. We suggest considering it instead.
For more information, see comparison of GLM-4.7-Flash to other models and API provider benchmarks for GLM-4.7-Flash.
GLM-4.5-Air API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of GLM-4.5-Air for your use-case.
Fastest
SiliconFlowOutput speed
Total 2 providers
Lowest Latency
SiliconFlowTime to first answer token
Total 2 providers
Lowest Price
SiliconFlow
Together AI (FP8)Blended price (per 1M tokens)
Total 2 providers
GLM-4.5-Air is available through 2 API providers, each offering different performance characteristics and pricing. Below is a comparison of the key metrics across providers.
- For output speed, the top providers are SiliconFlow (71.7 t/s).
- For latency, SiliconFlow (30.37s) offer the lowest time to first answer token.
- For pricing, SiliconFlow (0.21) and Together AI (FP8) (0.29) offer the lowest blended prices per 1M tokens.
- SiliconFlow stands out as the overall leader, ranking first across all three categories: speed, latency, and pricing.
Highlights
Pricing
Pricing: Cache Hit, Input, and Output
Pricing: Blended Price
Output Speed vs. Price
Speed
Measured by Output Speed (tokens per second)
Output Speed: GLM-4.5-Air
Latency vs. Output Speed
Latency
Measured by Time (seconds) to First Token
Time to First Answer Token
End-to-End Response Time
Seconds to output 500 tokens, calculated based on time to first token, 'thinking' time for reasoning models, and output speed
End-to-End Response Time
Key Comparison Metrics & API Features
Frequently Asked Questions
Common questions about GLM-4.5-Air providers
GLM-4.5-Air is available through 2 API providers: Together AI (FP8) and SiliconFlow. Each provider offers different performance characteristics and pricing.
GLM-4.5-Air is currently available through 2 API providers that we benchmark and track.
The fastest provider for GLM-4.5-Air by output speed is SiliconFlow (71.7 t/s). Output speed measures how quickly tokens are generated after the model starts responding.
The provider with the lowest time to first answer token for GLM-4.5-Air is SiliconFlow (30.37s). Lower latency means faster initial response time.
The most affordable providers for GLM-4.5-Air by blended price are SiliconFlow ($0.21 per 1M tokens) and Together AI (FP8) ($0.29 per 1M tokens). Blended price uses a 7:2:1 cache hit/input/output token ratio.
The providers with the lowest input token pricing for GLM-4.5-Air are SiliconFlow ($0.14 per 1M input tokens) and Together AI (FP8) ($0.20 per 1M input tokens).
The providers with the lowest output token pricing for GLM-4.5-Air are SiliconFlow ($0.86 per 1M output tokens) and Together AI (FP8) ($1.10 per 1M output tokens).
Prices for GLM-4.5-Air vary up to 1.4x across providers. The most affordable is SiliconFlow at $0.21 per 1M tokens, while Together AI (FP8) charges $0.29 per 1M tokens.
1 of 2 providers support JSON mode for GLM-4.5-Air: Together AI (FP8).
All 2 providers of GLM-4.5-Air support function calling (tool use).
SiliconFlow leads across all key metrics for GLM-4.5-Air, offering the fastest speed, lowest latency, and most competitive pricing.
When choosing a provider for GLM-4.5-Air, consider: output speed (for throughput-intensive tasks), latency (for interactive applications requiring quick first responses), pricing (for cost-sensitive workloads), and API features like JSON mode or function calling.
Yes, provider performance can vary over time due to infrastructure changes, load balancing, and updates. We continuously benchmark all providers and display historical performance trends in the "Over Time" charts.
For information about GLM-4.5-Air's intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview