DeepSeek V4 Pro 0423 vs Mistral Medium 3.5

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

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

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

DeepSeek V4 Pro 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.2079/M tokens input, $0.4157/M tokens output on OpenRouter.

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.

Context window

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

Price

DeepSeek V4 Pro 0423: $0.2079/M tokens input, $0.4157/M tokens output
Mistral Medium 3.5: $1.50/M tokens input, $7.50/M tokens output

Provided by

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

DeepSeek V4 Pro 0423 vs Mistral Medium 3.5 at a glance

DeepSeek V4 Pro 0423 vs Mistral Medium 3.5 comparison
Attribute	DeepSeek V4 Pro 0423	Mistral Medium 3.5
Input price	$0.2079/M tokens	$1.50/M tokens
Output price	$0.4157/M tokens	$7.50/M tokens
Context window	1,048,576 tokens	262,144 tokens
Intelligence Index	30.1	14.2
Coding Index	58.7	46.9
Agentic Index	Not available	7.0
Latency (p50)	1.03 s	0.53 s
Throughput (p50)	56.0 tok/s	89.0 tok/s

Benchmark data updated Oct 24, 2026

Frequently asked questions

Is DeepSeek V4 Pro 0423 cheaper than Mistral Medium 3.5?

DeepSeek V4 Pro 0423 is cheaper than Mistral Medium 3.5 on OpenRouter: DeepSeek V4 Pro 0423 costs $0.2079/M tokens input and $0.4157/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, DeepSeek V4 Pro 0423 or Mistral Medium 3.5?

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, DeepSeek V4 Pro 0423 or Mistral Medium 3.5?

Mistral Medium 3.5 is faster on OpenRouter, generating a median 89.0 tokens per second compared with 56.0 tokens per second for DeepSeek V4 Pro 0423.

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

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.

DeepSeek V4 Pro 0423 vs Mistral Medium 3.5

DeepSeek V4 Pro 0423 vs Mistral Medium 3.5

Overview