Qwen3.5 9B (Reasoning) API Provider Benchmarking & Analysis
This analysis is intended to support you in choosing the best API provider of Qwen3.5 9B (Reasoning) for your use-case.
Fastest
Together AI (FP8)
SiliconFlow (FP8)Output speed
Total 2 providers
Lowest Latency
Together AI (FP8)SiliconFlow (FP8)Time to first answer token
Total 2 providers
Lowest Price
SiliconFlow (FP8)Together AI (FP8)Blended price (per 1M tokens)
Total 2 providers
Qwen3.5 9B 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 Together AI (FP8) (92.0 t/s) and SiliconFlow (FP8) (41.3 t/s).
- For latency, Together AI (FP8) (22.49s) and SiliconFlow (FP8) (50.80s) offer the lowest time to first answer token.
- For pricing, SiliconFlow (FP8) (0.11) and Together AI (FP8) (0.18) offer the lowest blended prices per 1M tokens.
- Together AI (FP8) offers the best performance with both the highest speed and lowest latency. For cost optimization, SiliconFlow (FP8) provides the most competitive pricing.
Update: Default performance benchmarking workload has updated to 10k input tokens to better reflect production use cases. You can still select different workloads above.
Pricing
Pricing: Cache Hit, Input, and Output
Cost per Intelligence Index Task
Output Speed vs. Price
Speed
Measured by Output Speed (tokens per second)
Output Speed: Qwen3.5 9B (Reasoning)
Time per Intelligence Index Task
Cost per Task vs. Time per Task
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 Qwen3.5 9B (Reasoning) providers
Qwen3.5 9B (Reasoning) is available through 2 API providers: SiliconFlow (FP8) and Together AI (FP8). Each provider offers different performance characteristics and pricing.
Qwen3.5 9B (Reasoning) is currently available through 2 API providers that we benchmark and track.
The fastest providers for Qwen3.5 9B (Reasoning) by output speed are Together AI (FP8) (92.0 t/s) and SiliconFlow (FP8) (41.3 t/s). Output speed measures how quickly tokens are generated after the model starts responding.
The providers with the lowest time to first answer token for Qwen3.5 9B (Reasoning) are Together AI (FP8) (22.49s) and SiliconFlow (FP8) (50.80s). Lower latency means faster initial response time.
The most affordable providers for Qwen3.5 9B (Reasoning) by blended price are SiliconFlow (FP8) ($0.11 per 1M tokens) and Together AI (FP8) ($0.18 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 Qwen3.5 9B (Reasoning) are SiliconFlow (FP8) ($0.10 per 1M input tokens) and Together AI (FP8) ($0.17 per 1M input tokens).
The providers with the lowest output token pricing for Qwen3.5 9B (Reasoning) are SiliconFlow (FP8) ($0.15 per 1M output tokens) and Together AI (FP8) ($0.25 per 1M output tokens).
Prices for Qwen3.5 9B (Reasoning) vary up to 1.7x across providers. The most affordable is SiliconFlow (FP8) at $0.11 per 1M tokens, while Together AI (FP8) charges $0.18 per 1M tokens.
Output speed for Qwen3.5 9B (Reasoning) varies significantly across providers. Together AI (FP8) is the fastest at 92.0 t/s, which is 2.2x faster than SiliconFlow (FP8) at 41.3 t/s.
All 2 providers of Qwen3.5 9B (Reasoning) support JSON mode for structured output.
All 2 providers of Qwen3.5 9B (Reasoning) support function calling (tool use).
For Qwen3.5 9B (Reasoning), Together AI (FP8) offers the best performance with highest speed and lowest latency. For cost optimization, SiliconFlow (FP8) provides the most competitive pricing.
When choosing a provider for Qwen3.5 9B (Reasoning), 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 Qwen3.5 9B (Reasoning)'s intelligence, capabilities, modalities, and how it compares to other models, see the model overview page. View model overview