Mistral Medium 3.5 vs DeepSeek V4 Pro 0423

Compare Mistral Medium 3.5 from Mistral AI and DeepSeek V4 Pro 0423 from DeepSeek on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Mistral Medium 3.5 vs DeepSeek V4 Pro 0423: side-by-side summary

Mistral Medium 3.5 and DeepSeek V4 Pro 0423 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Mistral Medium 3.5, from Mistral AI, has a 262,144-token context window and is priced at $1.50/M tokens input, $7.50/M tokens output on OpenRouter.

DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.2067/M tokens input, $4.20/M tokens output on OpenRouter.

Context window

Mistral Medium 3.5: 262,144 tokens
DeepSeek V4 Pro 0423: 1,048,576 tokens

Price

Mistral Medium 3.5: $1.50/M tokens input, $7.50/M tokens output
DeepSeek V4 Pro 0423: $0.2067/M tokens input, $4.20/M tokens output

Provided by

Mistral Medium 3.5: Mistral AI
DeepSeek V4 Pro 0423: DeepSeek

Mistral Medium 3.5 vs DeepSeek V4 Pro 0423 at a glance

Mistral Medium 3.5 vs DeepSeek V4 Pro 0423 comparison
Attribute	Mistral Medium 3.5	DeepSeek V4 Pro 0423
Input price	$1.50/M tokens	$0.2067/M tokens
Output price	$7.50/M tokens	$4.20/M tokens
Context window	262,144 tokens	1,048,576 tokens
Intelligence Index	14.2	30.1
Coding Index	46.9	58.7
Agentic Index	7.0	Not available
Latency (p50)	0.61 s	0.87 s
Throughput (p50)	116.5 tok/s	83.0 tok/s

Benchmark data updated Oct 5, 2026

Frequently asked questions

Is Mistral Medium 3.5 cheaper than DeepSeek V4 Pro 0423?

DeepSeek V4 Pro 0423 is cheaper than Mistral Medium 3.5 on OpenRouter: DeepSeek V4 Pro 0423 costs $0.2067/M tokens input and $4.20/M tokens output, while Mistral Medium 3.5 costs $1.50/M tokens input and $7.50/M tokens output.

Which has the longer context window, Mistral Medium 3.5 or DeepSeek V4 Pro 0423?

DeepSeek V4 Pro 0423 has the longer context window at 1,048,576 tokens, compared with 262,144 tokens for Mistral Medium 3.5.

Which is faster, Mistral Medium 3.5 or DeepSeek V4 Pro 0423?

Mistral Medium 3.5 is faster on OpenRouter, generating a median 116.5 tokens per second compared with 83.0 tokens per second for DeepSeek V4 Pro 0423.

Which scores higher on coding, Mistral Medium 3.5 or DeepSeek V4 Pro 0423?

DeepSeek V4 Pro 0423 scores higher on coding, with an Artificial Analysis Coding Index of 58.7 compared with 46.9 for Mistral Medium 3.5.

Mistral Medium 3.5 vs DeepSeek V4 Pro 0423

Mistral Medium 3.5 vs DeepSeek V4 Pro 0423

Overview