DeepSeek V4.1 Flash

DeepSeek V4.1 Flash: natively multimodal vision understanding with 1M context and 384K max output.

Input price: $0.073–$0.33list $0.146-50%
Output price: $0.292–$1.32list $0.584-50%

Context: 1M
Max output: 384K

Capability: 156 (#32 of 79)
Human preference: 1463
30-day uptime: —

Released: 2026-09-10

InputTextImageOutputText

Providers

Providers that serve this model. With Auto, each request goes to the best available provider. Prices in USD per 1M tokens; stats cover the last 30 days.

AutoInput$0.073–$0.33-50%Output$0.292–$1.32-50%Cache read$0.00292–$0.0283Context1MMax output384KWe send each request to the best-priced healthy provider. You pay that provider’s price.ByteDance (Volcano Engine)CheapestInput$0.073–$0.146-50%Output$0.292–$0.584-50%Cache read$0.00292–$0.00584ChinaNo trainingAlibaba Cloud (Model Studio Intl)Input$0.1415–$0.283Output$0.5655–$1.131Cache read$0.014152–$0.0283Global (HK/DE/JP)No trainingFireworks AIInput$0.30Output$1.20Cache read$0.006Context1MMax output384KUnited StatesNo trainingNo retentionTogether AIInput$0.33Output$1.32Cache read$0.0066United Statesfp8No trainingNo retention

Pricing

Prices vary by provider. Showing ByteDance (Volcano Engine), the lowest. Pick a provider above to see its prices.

Input: $0.073list $0.146-50%; per 1M tokens
Output: $0.292list $0.584-50%; per 1M tokens
Cache read: $0.00292; per 1M tokens

01:00–04:00, 06:00–10:00 UTCMon, Tue, Wed, Thu, Fri

Input: $0.146list $0.292-50%; per 1M tokens
Output: $0.584list $1.168-50%; per 1M tokens
Cache read: $0.00584; per 1M tokens

Try it

Runs on your balance and is billed like any API request.

curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4.1-flash",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

import os

from openai import OpenAI

client = OpenAI(
    api_key=os.environ["OHMYGPT_API_KEY"],
    base_url="https://api.ohmygpt.com/v1",
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4.1-flash",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.OHMYGPT_API_KEY,
  baseURL: "https://api.ohmygpt.com/v1",
});

const response = await client.chat.completions.create({
  model: "deepseek/deepseek-v4.1-flash",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(response.choices[0].message.content);

The answer streams in here.

Billed by usage

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Better value: more capable, lower price
Pareto frontier
This model

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-10), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

DeepSeek V4.1 FlashThis model

Capability: 156
Input: $0.073–$0.33
Output: $0.292–$1.32

Tencent Hy-MT2-Plus

Capability: —
Input: $0.073
Output: $0.292

GPT OSS Safeguard 20B

Capability: —
Input: $0.077
Output: $0.22

GLM-4.7-FlashX

Capability: —
Input: $0.0803
Output: $0.4818

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Input: $0.066
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Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-11-09): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text