DeepSeek: DeepSeek V4.1 Flash vs Tencent: Hy3 preview
DeepSeek V4.1 Flash vs Tencent: Hy3 preview: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.
Practical read
Monthly evidenceDeepSeek V4.1 Flash has more Credits provider routes and the larger context window. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.
The price comparison adds each route's rate for one million input tokens and one million output tokens; your cost depends on your input/output mix. Prices and live route measurements can change. Use the monthly reports when you need a stable evidence window, then run a small task-specific eval before choosing a production default.
deepseek/deepseek-v4.1-flashtencent/hy3-preview
DeepSeek: DeepSeek V4.1 Flash routes
Tencent: Hy3 preview routes
- Overview0 Credits routes
- BenchmarksTrustedRouter and external sources
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Pick a default model. Keep fallback enabled.
TrustedRouter is useful when you know the model you want, but still need provider rollover, budget limits, usage records, and a prompt path you can verify.
client = OpenAI(
base_url="https://api.trustedrouter.com/v1",
api_key="sk-tr-v1-..."
)
response = client.chat.completions.create(
model="deepseek/deepseek-v4.1-flash",
messages=messages,
)
Questions
Which should I use, DeepSeek: DeepSeek V4.1 Flash or Tencent: Hy3 preview?
DeepSeek V4.1 Flash has more Credits provider routes and the larger context window. A published Credits price comparison is not available for both models. There is not enough recent probe data to compare speed.
Is DeepSeek: DeepSeek V4.1 Flash or Tencent: Hy3 preview cheaper?
The current cheapest TrustedRouter route is $0.1266/1M for DeepSeek: DeepSeek V4.1 Flash and $0.8229/1M for Tencent: Hy3 preview. The comparison uses current catalog prices and updates as provider pricing changes.
Is DeepSeek: DeepSeek V4.1 Flash or Tencent: Hy3 preview faster?
Current measured p50 time to first token is 1108 ms for DeepSeek: DeepSeek V4.1 Flash and not enough data for Tencent: Hy3 preview. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.
Can I test DeepSeek: DeepSeek V4.1 Flash and Tencent: Hy3 preview with the same API?
Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between deepseek/deepseek-v4.1-flash and tencent/hy3-preview. This makes side-by-side evals possible without maintaining two provider integrations.