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deepseek-v4.1-flashTencent

in /1M$0.30input tokens
out /1M$1.20output tokens
context1.0M393K out
median ttft1.78smeasured
api
chat
hosting
Singapore
model lab
DeepSeek
weights
open
added
September 2026
model id
tencent/deepseek-v4.1-flash

capabilities 4/8

visionreasoningtoolscachingweb searchjson schemacomputer useimage gen

11 providers serve deepseek-v4.1-flash. This page is one of them. Compare all endpoints

pricing

no markup
input
$0.30
output
$1.20
cache write
-
cache read
$0.0060

worked cost

Estimated cost for three request volumes
volumecost
100K in + 10K out$0.0420
1M in + 100K out$0.42
10M in + 1M out$4.20

Requesty charges what the upstream provider charges, with no markup and no per-request fee. Prompt caching and smart routing cut the effective cost further on repeated context. Gateway pricing

provider price, passed throughper 1M tokens

measured

through Nov 2
median ttft
1.78s
median tok/s
24.0
blended /1M
$0.56
cache hit
40.4%

Weekly aggregates from production traffic routed through Requesty to this endpoint. A metric with no qualifying sample is left out rather than filled in. Compare against the other providers

benchmarks

artificial analysis

no published scores for this exact variant. region deployments and highspeed tiers usually share the base model's results

policy

data terms
retention
yes
trains on prompts
no
hosted in
Singapore

Terms are the provider's, not Requesty's: routing a request here puts it under them. Tencent Cloud Privacy Policy

Need every request to stay in one jurisdiction? EU hosting routes only through EU-hosted providers.

quickstart

openai compatible
tencent/deepseek-v4.1-flash

this id pins the tencent deployment, with no routing and no failover. the managed id on the canonical page routes across all 11 providers instead

main.py
from openai import OpenAI client = OpenAI(    api_key="YOUR_REQUESTY_API_KEY",    base_url="https://router.requesty.ai/v1",) response = client.chat.completions.create(    model="tencent/deepseek-v4.1-flash",    messages=[        {"role": "user", "content": "Explain quantum computing in one paragraph."},    ],) print(response.choices[0].message.content)

Change the base url to https://router.requesty.ai/v1, use your Requesty key, set the model to the id above. Existing OpenAI SDK code needs no other edit, and the same key reaches every other model in the catalog. Browse all models

notes

reference

DeepSeek-V4.1-Flash is DeepSeek's efficient production model with a 1M token context window, configurable thinking mode and strong tool calling for high-concurrency, low-latency workloads.

questions 5

How much does deepseek-v4.1-flash cost?
deepseek-v4.1-flash is priced at $0.30 per million input tokens and $1.20 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges, we don't add markup.
What is the context window of deepseek-v4.1-flash?
deepseek-v4.1-flash has a context window of 1.0M tokens, with a maximum output of 393K tokens per response. That is roughly 1,398 words of input you can fit in a single prompt.
What can deepseek-v4.1-flash do?
deepseek-v4.1-flash supports tool calling, extended reasoning, prompt caching, structured outputs (JSON schema). You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use deepseek-v4.1-flash with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "tencent/deepseek-v4.1-flash". The quickstart pane shows Python, JavaScript and cURL snippets.
Can I run deepseek-v4.1-flash through Requesty?
Yes. deepseek-v4.1-flash runs through Requesty's OpenAI-compatible API, served from Tencent. You do not host the model yourself: point base_url at Requesty, set the model to "tencent/deepseek-v4.1-flash", and requests are routed to the upstream provider with automatic failover. The same key gives you 600+ other models too.

more from tencent 8

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glm-5.3-flashx1.0M$0.37
hy4-preview1.0M$0.83
glm-5.3-flash1.0M$0.15
glm-5.31.0M$1.40
kimi-k31.0M$3.00
hy3262K$0.13

call deepseek-v4.1-flash through one endpoint

One key for this endpoint and 600+ other models. No markup on provider prices, automatic failover when a provider degrades, and prompt caching built in. Methodology

deepseek-v4.1-flashtencentin $0.30 /1Mout $1.20 /1Mctx 1.0Mttft 1.78shosted Singapore11 providers serve this model