All models
Head to head

Mistral Medium 3.5 vs Gemini 4 Hydrogen

Price, context, inputs and filters. No benchmarks theatre.

Both cost about the same per message.

Gemini 4 Hydrogen holds 4× more context.

MainstreamChat with Mistral Medium 3.5
Made by
Mistral AI
Google
Content tier
Mainstream
Mainstream
Intelligence
Smart & Cheap
Brilliant
Estimated price per message
~4.59 credits≈ 21 messages for $1
~4.59 credits≈ 21 messages for $1
Context window
262K tokens≈ 403 pages of text in one go
1M tokens≈ 1,613 pages of text in one go
Reads
Text, Images
Text, Images, Video, Audio
Writes
Text
Text
Tool use
Yes - search, memory, code and more
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
OpenRouter
Status
Legacy
Current

A typical message: 16K tokens in, 1.5K out. Short replies cost less. Models served via OpenRouter bill the real provider cost plus our markup, so actual charges vary. 1 credit = $0.01.