Mistral Large 4 vs DeepSeek V4 Pro: pricing compared

For a 30-step coding agent run, Mistral Large 4 is 1.3x cheaper ($0.29 vs $0.38). Prices verified 2026-10-18.

Mistral Large 4DeepSeek V4 Pro
ProviderMistral AIDeepSeek
Input / 1M$0.68$1.32
Cached input / 1M$0.07$0.044
Output / 1M$2.09$3.96
Batch discount50%—
Context window1M1M
Long-context tiernonenone

Cost on real workloads

WorkloadMistral Large 4DeepSeek V4 Pro
10,000 chatbot replies
2,000 input + 400 output tokens each, 50% of the prompt cached
$15.86$29.48
One 30-step coding agent run
12K system + tools prompt, 1K output and 3K tool result per step, caching on
$0.29$0.38
1M documents classified (batch)
600 input + 20 output tokens each, batch API where available
$225$871

Price is only half the decision: a cheaper model that needs more steps or retries can cost more per finished task. Run your own numbers in the calculator (both models pinned), or see how both rank in the use-case guides.

FAQ

Is Mistral Large 4 cheaper than DeepSeek V4 Pro?

For a typical 30-step coding agent run with caching, Mistral Large 4 costs $0.29 and DeepSeek V4 Pro costs $0.38, so Mistral Large 4 is 1.3x cheaper. Per 1M tokens, Mistral Large 4 is $0.68 / $2.09 and DeepSeek V4 Pro is $1.32 / $3.96.

Which has the bigger context window?

Mistral Large 4: 1,000,000 tokens. DeepSeek V4 Pro: 1,000,000 tokens.