DeepSeek V4.1 Flash vs Google Veo 3.1

Practical read: DeepSeek V4.1 Flash reads more context. One API key runs both.

No card required. Start with 1 million free tokens.

Side by side:

DeepSeek: DeepSeek V4.1 Flash compared with Google Veo 3.1
Attribute	DeepSeek V4.1 Flash `deepseek/deepseek-v4.1-flash`	Google Veo 3.1 `google/veo-3.1`
Best for	Long documents
Cached input	$0.01/1M to $0.1899/1M	Not published
Context window	1.05M 1,048,576 tokens	2K 2,500 tokens
First token, p50	0.71 s via Together	Measuring
AI IQ	IQ 126 #24 on AI IQ	Unrated
Provider routes	21 with failover	2 with failover
Privacy	Confidential E2EE and zero retention route	Varies by provider
Recent route uptime range	75.00% to 100.00%	not enough data
Publisher	DeepSeek	Google AI Studio
Modes	chat decide
More detail	Overview Pricing Providers	Overview Pricing Providers

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.

Try DeepSeek V4.1 Flash with your agent

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

Use DeepSeek V4.1 Flash through TrustedRouter in this project.

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. Set the model to deepseek/deepseek-v4.1-flash.
4. Run the tests, then show me the diff before committing.

import os
from openai import OpenAI

client = OpenAI(
    base_url="https://api.trustedrouter.com/v1",
    api_key=os.environ["TRUSTEDROUTER_API_KEY"],
)
response = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "What is the capital of France?"}],
)
print(response.choices[0].message.content)

curl https://api.trustedrouter.com/v1/chat/completions \
  -H "Authorization: Bearer $TRUSTEDROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek/deepseek-v4.1-flash", "messages": [{"role": "user", "content": "What is the capital of France?"}]}'

Your agent will need an API key.

Questions

Which should I use, DeepSeek: DeepSeek V4.1 Flash or Google Veo 3.1?

DeepSeek V4.1 Flash 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.

Is DeepSeek: DeepSeek V4.1 Flash or Google Veo 3.1 cheaper?

The current cheapest TrustedRouter route is $0.15825/1M for DeepSeek: DeepSeek V4.1 Flash and selected route for Google Veo 3.1. The comparison uses current catalog prices and updates as provider pricing changes.

Is DeepSeek: DeepSeek V4.1 Flash or Google Veo 3.1 faster?

Current measured p50 time to first token is 711 ms for DeepSeek: DeepSeek V4.1 Flash and not enough data for Google Veo 3.1. These are routed probe measurements, not vendor-advertised speeds, and update as new samples arrive.

Can I test DeepSeek: DeepSeek V4.1 Flash and Google Veo 3.1 with the same API?

Both use the same TrustedRouter base URL and API key. At least one of them is not a chat model, so the request can differ as well as the model id: the API docs list the route for each kind of model.

More comparisons

All comparisons

Try DeepSeek V4.1 Flash and Google Veo 3.1 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.