OpenAI compatible API · Attested · Public status

DeepSeek: DeepSeek V4 Flash vs Anthropic: Claude Sonnet 5

Compare DeepSeek: DeepSeek V4 Flash and Anthropic: Claude Sonnet 5 by providers, context, price, and TrustedRouter route support.

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

DeepSeek: DeepSeek V4 Flash has the lower cheapest prompt+completion route on TrustedRouter. DeepSeek: DeepSeek V4 Flash has more provider fallback routes, while DeepSeek: DeepSeek V4 Flash has the larger context window. Current TrustedRouter probes show DeepSeek: DeepSeek V4 Flash with the lower p50 TTFT.

$0.2835/1MDeepSeek: DeepSeek V4 Flash cheapest route

$12.6/1MAnthropic: Claude Sonnet 5 cheapest route

2022 msDeepSeek: DeepSeek V4 Flash measured p50 TTFT

4664 msAnthropic: Claude Sonnet 5 measured p50 TTFT

DeepSeek: DeepSeek V4 FlashAnthropic: Claude Sonnet 5

Model iddeepseek/deepseek-v4-flashanthropic/claude-sonnet-5

PublisherDeepSeekAnthropic

AI IQ IQ 108#46 IQ 125#12

Context1,048,576 tokens1,000,000 tokens

Provider routes192

Cheapest route$0.2835/1M$12.6/1M

Privacy posturehas ZDR routeprovider posture varies

Modes chat chat messages

DeepSeek: DeepSeek V4 Flash routes

Overview19 endpoints
PricingPrompt and completion rates
BenchmarksTrustedRouter and external sources
ProvidersAll serving providers

Anthropic: Claude Sonnet 5 routes

Overview2 endpoints
PricingPrompt and completion rates
ProvidersAll serving providers

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="deepseek/deepseek-v4-flash",
    messages=messages,
)