Free to start

Anthropic: Claude Fable 5 vs DeepSeek: DeepSeek V4 Flash 0731

Try both on us. Starter credit covers your first requests, then one key routes Claude Fable 5 and DeepSeek V4 Flash 0731. 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 the lower published input-plus-output rate, more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

$63.3/1MAnthropic: Claude Fable 5 cheapest route

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

not enough dataAnthropic: Claude Fable 5 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.

Anthropic: Claude Fable 5DeepSeek: DeepSeek V4 Flash 0731

Model idanthropic/claude-fable-5deepseek/deepseek-v4-flash-0731

Publisher Anthropic DeepSeek

AI IQ IQ 133#10 —

Context1,000,000 tokens1,048,576 tokens

Credits provider routes126

Cheapest route$63.3/1M$0.142425/1M

Cached input$1.055/1M$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

Anthropic: Claude Fable 5 routes

Overview1 Credits routes

DeepSeek: DeepSeek V4 Flash 0731 routes

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

Related comparisons

Browse every comparison

DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.359 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.258 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Z.ai: GLM 5.3 Flash58 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs MoonshotAI: Kimi K354 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs DeepSeek: DeepSeek V4.1 Flash50 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs OpenAI: gpt-oss-120b49 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs Qwen: Qwen3.8 27B45 combined provider routes
DeepSeek: DeepSeek V4 Flash 0731 vs MoonshotAI: Kimi K2.643 combined provider routes

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-fable-5",
    messages=messages,
)

Questions

Which should I use, Anthropic: Claude Fable 5 or DeepSeek: DeepSeek V4 Flash 0731?

DeepSeek V4 Flash 0731 has the lower published input-plus-output rate, more Credits provider routes and the larger context window. There is not enough recent probe data to compare speed.

Is Anthropic: Claude Fable 5 or DeepSeek: DeepSeek V4 Flash 0731 cheaper?

The current cheapest TrustedRouter route is $63.3/1M for Anthropic: Claude Fable 5 and $0.142425/1M for DeepSeek: DeepSeek V4 Flash 0731. The comparison uses current catalog prices and updates as provider pricing changes.

Is Anthropic: Claude Fable 5 or DeepSeek: DeepSeek V4 Flash 0731 faster?

Current measured p50 time to first token is not enough data for Anthropic: Claude Fable 5 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 Anthropic: Claude Fable 5 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-fable-5 and deepseek/deepseek-v4-flash-0731. This makes side-by-side evals possible without maintaining two provider integrations.