Bring your own key

Claude Opus 4.1 20250805 vs DeepSeek: DeepSeek V4 Flash 0731

One key routes both. Starter credit covers your first DeepSeek V4 Flash 0731 requests, while Claude Opus 4.1 20250805 runs on your own provider key. Switch by changing the model name.

Compare routesProviders, price, context, and policy posture in one view.

Use auto when uptime mattersKeep a primary model and let fallback handle provider failures.

Same API shapeUse the OpenAI client and set the model you want.

Practical read

Monthly evidence

DeepSeek V4 Flash 0731 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.

$94.95/1MClaude Opus 4.1 20250805 cheapest route

$0.142425/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

not enough dataClaude Opus 4.1 20250805 fastest measured p50 TTFT

not enough dataDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT

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.

Claude Opus 4.1 20250805DeepSeek: DeepSeek V4 Flash 0731

Model idanthropic/claude-opus-4.1-20250805deepseek/deepseek-v4-flash-0731

Publisher Anthropic DeepSeek

AI IQ — —

Context200,000 tokens1,048,576 tokens

Credits provider routes026

Cheapest route$94.95/1M$0.142425/1M

Cached inputNot published$0.01/1M to $0.118793/1M

Privacy postureprovider posture varieshas Confidential route (E2EE + ZDR)

Fastest measured p50 TTFTnot enough datanot enough data

Highest measured throughputnot enough datanot enough data

Recent route uptime rangenot enough datanot enough data

Modes chat messages chat

Claude Opus 4.1 20250805 routes

Overview0 Credits routes

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview26 Credits routes
PricingInput, cached input, and output rates
ProvidersAll serving providers

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Production choice

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.

OpenAI clientPython

client = OpenAI(
    base_url="https://api-azure.trustedrouter.com/v1",
    api_key="sk-tr-v1-..."
)

response = client.chat.completions.create(
    model="anthropic/claude-opus-4.1-20250805",
    messages=messages,
)

Questions

Which should I use, Claude Opus 4.1 20250805 or DeepSeek: DeepSeek V4 Flash 0731?

Is Claude Opus 4.1 20250805 or DeepSeek: DeepSeek V4 Flash 0731 cheaper?

The current cheapest TrustedRouter route is $94.95/1M for Claude Opus 4.1 20250805 and $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731. The comparison uses current catalog prices and updates as provider pricing changes.

Is Claude Opus 4.1 20250805 or DeepSeek: DeepSeek V4 Flash 0731 faster?

Current measured p50 time to first token is not enough data for Claude Opus 4.1 20250805 and not enough data for DeepSeek: DeepSeek V4 Flash 0731. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test Claude Opus 4.1 20250805 and DeepSeek: DeepSeek V4 Flash 0731 with the same API?

Yes. Use the same OpenAI-compatible TrustedRouter base URL and API key, then change only the model id between anthropic/claude-opus-4.1-20250805 and deepseek/deepseek-v4-flash-0731. This makes side-by-side evals possible without maintaining two provider integrations.