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DeepSeek V4.1 Flash vs ScaleDown Extract

Practical read: DeepSeek V4.1 Flash starts answering sooner. ScaleDown Extract costs about a third as much. One API key runs both.

No card required. Start with 1 million free tokens.

Side by side:

DeepSeek: DeepSeek V4.1 Flash compared with ScaleDown Extract
Attribute DeepSeek V4.1 Flash deepseek/deepseek-v4.1-flash ScaleDown Extract scaledown/extract
Price, 1M in + out $0.16 Engy, cheapest route $0.053 ScaleDown, cheapest route
Best for Speed Low cost
Input / output, 1M $0.032 / $0.13 $0.053 / $0
Cached input $0.01/1M to $0.1899/1M Not published
Context window 1.05M 1,048,576 tokens 1M 1,000,000 tokens
First token, p50 0.71 s via Together 1.4 s via ScaleDown
AI IQ IQ 126 #24 on AI IQ Unrated
Provider routes 21 with failover 1
Privacy Confidential E2EE and zero retention route Zero retention route
Recent route uptime range 75.00% to 100.00% 100.00%
Publisher DeepSeek ScaleDown
Modes chat decide chat
More detail

Price adds one million input and one million output tokens on the cheapest route. Prices and speed change: see the monthly reports and run a small eval before you choose a default.

Test both with your agent

Paste this into Claude Code, Cursor or any coding agent.

Compare DeepSeek V4.1 Flash and ScaleDown Extract in this project through TrustedRouter.

1. Read https://trustedrouter.com/docs/llms.txt
2. Point the OpenAI-compatible client at
   https://api.trustedrouter.com/v1 and read the key from
   TRUSTEDROUTER_API_KEY.
3. Run our eval prompts on deepseek/deepseek-v4.1-flash, then on scaledown/extract.
4. Show me cost, latency and quality side by side before changing the default.
import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key=os.environ["TRUSTEDROUTER_API_KEY"],
)
for model in ("deepseek/deepseek-v4.1-flash", "scaledown/extract"):
    response = client.chat.completions.create(
        model=model,
        messages=[{"role": "user", "content": "What is the capital of France?"}],
    )
    print(model, response.choices[0].message.content)
for model in deepseek/deepseek-v4.1-flash scaledown/extract; do
  curl https://api.trustedrouter.com/v1/chat/completions \
    -H "Authorization: Bearer $TRUSTEDROUTER_API_KEY" \
    -H "Content-Type: application/json" \
    -d "{\"model\": \"$model\", \"messages\": [{\"role\": \"user\", \"content\": \"What is the capital of France?\"}]}"
done
Your agent will need an API key.

Questions

Which should I use, DeepSeek: DeepSeek V4.1 Flash or ScaleDown Extract?

DeepSeek V4.1 Flash has more Credits provider routes, the larger context window and the lower measured p50 time to first token. ScaleDown Extract has the lower published input-plus-output rate.

Is DeepSeek: DeepSeek V4.1 Flash or ScaleDown Extract cheaper?

The current cheapest TrustedRouter route is $0.15825/1M for DeepSeek: DeepSeek V4.1 Flash and $0.05275/1M for ScaleDown Extract. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4.1 Flash or ScaleDown Extract faster?

Current measured p50 time to first token is 711 ms for DeepSeek: DeepSeek V4.1 Flash and 1415 ms for ScaleDown Extract. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4.1 Flash and ScaleDown Extract 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 scaledown/extract. This makes side-by-side evals possible without maintaining two provider integrations.

More comparisons

All comparisons

Try DeepSeek V4.1 Flash and ScaleDown Extract with one key.

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.

No card required. Start with 1 million free tokens.

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