Home/Compare/DeepSeek V4.1 Flash vs DeepSeek V3

DeepSeek V4.1 Flash vs DeepSeek V3

Compare costs between DeepSeek's DeepSeek V4.1 Flash and DeepSeek's DeepSeek V3. One typical prompt costs $0.000750 vs $0.000350.

DeepSeek V3 was retired from the DeepSeek API on July 24, 2026. Prices shown are the last published rates. DeepSeek names DeepSeek V4.1 Flash as the replacement. Details

Cost Comparison

PromptsDeepSeek V4.1 FlashDeepSeek V3
1$0.000750$0.000350
100$0.0750$0.0350
1,000$0.7500$0.3500
10,000$7.50$3.50
100,000$75.00$35.00

Based on 500 input + 500 output tokens per prompt. Prices verified October 2026. Embed this calculator

At 10,000 requests per day, DeepSeek V4.1 Flash costs $225.00/month vs DeepSeek V3 at $105.00/month — DeepSeek V3 is 53% cheaper.

DeepSeek V4.1 Flash vs DeepSeek V3: Features & Specs
DeepSeek V4.1 FlashDeepSeek V3
Input price$0.30 / 1M$0.28 / 1M
Output price$1.20 / 1M$0.42 / 1M
Cached input$0.006 / 1M—
Typical prompt$0.000750$0.000350
Batch discountNoneNone
Context window1M tokens131K tokens
Max output384,000 tokensNot published
Knowledge cutoffNot publishedNot published
Input typesText, ImagesText
Reasoning modeOptionalNo
Open weightsYesYes
ReleasedSeptember 10, 2026December 1, 2025
StatusCurrentRetired

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0input tokens
Estimated (~4 chars/token)

How many tokens you expect the model to generate per response

Showing a typical prompt (500 input + 500 output tokens) across 27 models. Paste your own prompt above for an exact count.

ModelPer PromptPrompts / $1Monthly
DeepSeek$0.0003500.035¢2,857$1.05
DeepSeek$0.0007500.075¢1,333$2.25
OpenAI$0.0003000.03¢3,333$0.9000
Mistral$0.0003750.037¢2,666$1.13
OpenAI (via Together)$0.0003750.037¢2,666$1.13
OpenAI$0.0007000.07¢1,428$2.10
Meta (via Together)$0.0009250.092¢1,081$2.77
Mistral$0.00100.1¢1,000$3.00
Google$0.00140.14¢714$4.20
xAI$0.00190.19¢533$5.63
Google$0.00220.22¢444$6.75
DeepSeek$0.00260.26¢378$7.92
Meta$0.00270.27¢363$8.25
Anthropic$0.00300.3¢333$9.00
xAI$0.00400.4¢250$12.00
Alibaba (Qwen)$0.00400.4¢250$12.00
Mistral$0.00450.45¢222$13.50
OpenAI$0.00600.6¢166$18.00
OpenAI$0.00600.6¢166$18.00
Anthropic$0.00600.6¢166$18.00
OpenAI$0.00700.7¢142$21.00
Google$0.00700.7¢142$21.00
Moonshot AI$0.00900.9¢111$27.00
OpenAI$0.012083$36.00
Anthropic$0.012083$36.00
OpenAI$0.030033$90.00
Anthropic$0.030033$90.00

Prices from official provider pricing pages, verified October 2026.

DeepSeek V4.1 Flash vs DeepSeek V3 — Frequently Asked Questions

DeepSeek V3 is 53% cheaper than DeepSeek V4.1 Flash. One typical prompt (500 input + 500 output tokens) costs $0.000750 on DeepSeek V4.1 Flash and $0.000350 on DeepSeek V3. DeepSeek V4.1 Flash charges $0.30/$1.20 per million tokens (input/output) vs DeepSeek V3's $0.28/$0.42.

It depends on your priorities. DeepSeek V3 is more cost-effective at $0.3500 per 1,000 prompts. DeepSeek V4.1 Flash may offer different capabilities or quality. DeepSeek V4.1 Flash has a 1M context window vs DeepSeek V3's 131K. Use the calculator above to compare at your actual volume.

Beyond price: DeepSeek V4.1 Flash accepts text and images, writes up to 384,000 tokens per response, has an optional reasoning (thinking) mode and has open weights you can self-host. DeepSeek V3 accepts text, has no reasoning mode and has open weights you can self-host. DeepSeek V4.1 Flash has a 1M context window and DeepSeek V3 131K. See the specs table above for a side-by-side view.

At 10,000 requests per day, switching from DeepSeek V4.1 Flash to DeepSeek V3 saves about $120.00/month — a 53% cut on every call. Savings scale linearly with volume.

At 100,000 daily requests, DeepSeek V4.1 Flash costs $2,250.00/month and DeepSeek V3 costs $1,050.00/month — a difference of $1,200.00/month.