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Model comparison · Updated 10 Oct 2026

DeepSeek V3 vs Mistral Medium 3

DeepSeek V3 is about 1.3× cheaper on input ($0.32 against $0.40 per 1M tokens) and on output. DeepSeek V3 has the larger context window (164K against 131K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $224 a month for DeepSeek V3 and $360 for Mistral Medium 3.

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ModelsAtlas. “DeepSeek V3 vs Mistral Medium 3”. Retrieved 10 Oct 2026. https://modelsatlas.com/compare/deepseek/v3/vs/mistralai/mistral-medium-3

Model A

DeepSeek V3

by DeepSeek · weights not marked open · GRIDD3

Input / 1M
$0.32
observed We measured
Source
Our catalogue
Retrieved
10 Oct 2026
Output / 1M$0.89
Context164K
vs

Model B

Mistral Medium 3

by Mistral AI · weights not marked open · GRIDD3

Input / 1M
$0.40
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026
Output / 1M$2.00
Context131K

Key numbers

Standard tier · highlighted = better

DeepSeek V3
Mistral Medium 3
Input / 1M tokens
$0.32
$0.40
Output / 1M tokens
$0.89
$2.00
Batch input / output
Not listed
Not listed
Context window
163,840
131,072
Input types
Not disclosed
Not disclosed
Weights
Not marked open
Not marked open
Tiers listed
standard
standard
Prices checked
2026-10-10
2026-08-17

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out
$224/mo
$360/mo
RAG over documents2k queries/day · 12k in, 500 out
$257/mo
$348/mo
Coding agent300 tasks/day · 60k in, 8k out
$237/mo
$360/mo

DeepSeek V3   Mistral Medium 3 · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. DeepSeek V3 and Mistral Medium 3 share D3.

Same square as DeepSeek V3: Codestral 2508 ($0.30), Command A+ ($0.30), MiniMax M2 ($0.30). Open D3

AFreeB<$0.10C$0.10–0.30D$0.30–1E$1–3F$3–10G$10–30H$30+1<32K232–128K3128–256K4256K–1M51M6>1MINPUT PRICE PER 1M TOKENS →CONTEXT WINDOW ↑ · position within a square follows the real valueCommand A+ · D3Muse Glimmer 30B · D3MiniMax M2 · D3MiniMax M2.1 · D3Codestral 2508 · D3Llama 3.1 70B Instruct · D3Mistral Medium 3.1 · D3Nano Banana 2 (Gemini 3.1 Flash Image) · D3DeepSeek V3DeepSeek V3Mistral Medium 3Mistral Medium 3
DeepSeek V3Mistral Medium 3Nearest neighboursOpen weights
View the map as a table (1 squares)
SquarePrice bandContext bandModels
GRIDD3$0.30–1128–256KDeepSeek V3, Mistral Medium 3, Command A+, Muse Glimmer 30B, MiniMax M2, MiniMax M2.1, Codestral 2508, Llama 3.1 70B Instruct, Mistral Medium 3.1, Nano Banana 2 (Gemini 3.1 Flash Image)

Capabilities side by side

Only what our records list

DeepSeek V3
Mistral Medium 3
Vision input
Not disclosed
Not disclosed
Audio input
Not disclosed
Not disclosed
Open weights
Not marked open
Not marked open
Batch tier
Not listed
Not listed
Free tier
Not listed
Not listed
Thinking tier
Not listed
Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose DeepSeek V3 if…

  • you pay by the token: it costs $0.32 per 1M input against $0.40
  • output dominates your bill: $0.89 per 1M output against $2.00
  • your prompts are long: it takes 163,840 tokens against 131,072

Choose Mistral Medium 3 if…

Nothing in the recorded numbers favours Mistral Medium 3 over DeepSeek V3. Pick it for what our records do not cover — your own tests, or an account you already have with Mistral AI.

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is DeepSeek V3 better than Mistral Medium 3?
We do not benchmark quality, so we cannot say. On the recorded numbers: DeepSeek V3 is about 1.3× cheaper on input ($0.32 against $0.40 per 1M tokens) and on output. DeepSeek V3 has the larger context window (164K against 131K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $224 a month for DeepSeek V3 and $360 for Mistral Medium 3. Which is better for you depends on your task; test both on your own prompts.
Which is cheaper, DeepSeek V3 or Mistral Medium 3?
DeepSeek V3: $0.32 against $0.40 per 1M input tokens, and $0.89 against $2.00 per 1M output, on standard pricing.
How much does each cost per 1M tokens?
DeepSeek V3: $0.32 input and $0.89 output. Mistral Medium 3: $0.40 input and $2.00 output. Standard tier, USD.
Which has the larger context window?
DeepSeek V3, with 163,840 tokens. Mistral Medium 3 has 131,072 tokens.
Do both offer batch pricing?
Neither lists a batch tier in our catalogue.
Can both read images or audio?
Input types recorded for DeepSeek V3: none recorded. For Mistral Medium 3: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.
Is either model open-weight?
DeepSeek V3: not marked open-weight in our records. Mistral Medium 3: not marked open-weight in our records.
What would each cost for a support chatbot?
At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $224 a month for DeepSeek V3 and $360 for Mistral Medium 3. This is our calculation from the listed prices, not a quote.

About the two models

DeepSeek V3

By DeepSeek. $0.32 input and $0.89 output per 1M tokens, 164K context, atlas square D3. Tiers listed: standard.

Full specs & pricing →

Mistral Medium 3

By Mistral AI. $0.40 input and $2.00 output per 1M tokens, 131K context, atlas square D3. Tiers listed: standard.

Full specs & pricing →

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