OpenAI compatible API · Attested · Public status

Claude Opus 4.1 20250805 vs DeepSeek: DeepSeek V4 Flash 0731

Claude Opus 4.1 20250805 vs DeepSeek V4 Flash 0731: compare current API pricing, context, provider routes, privacy, p50 latency, and OpenAI-compatible access.

Verify gateway

Onebase URL to migrate

100sof models and routes

0prompt or output logs. Always.

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: DeepSeek V4 Flash 0731 has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash 0731 has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash 0731 has the larger context window. Probe-backed speed data is shown when enough recent samples exist.

$94.95/1MClaude Opus 4.1 20250805 cheapest route

$0.2743/1MDeepSeek: DeepSeek V4 Flash 0731 cheapest route

not enough dataClaude Opus 4.1 20250805 fastest measured p50 TTFT

1188 msDeepSeek: DeepSeek V4 Flash 0731 fastest measured p50 TTFT via akashml

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 tokens1,310,720 tokens

Provider routes030

Cheapest route$94.95/1M$0.2743/1M

Privacy postureprovider posture varieshas ZDR route

Fastest measured p50 TTFTnot enough data1188 ms via akashml

Highest measured throughputnot enough data120 tok/s via mancer

Recent route uptime rangenot enough data95.53% to 100.00%

Modes chat messages chat

Claude Opus 4.1 20250805 routes

Overview0 endpoints

DeepSeek: DeepSeek V4 Flash 0731 routes

Overview30 endpoints
PricingPrompt and completion 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.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 $0.2743/1M 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 1188 ms 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.