All models
Head to head

GPT-6.1 Terra vs Gemini 2.5 Pro

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

GPT-6.1 Terra costs 1.5× less per message.

Both hold the same amount of context.

MainstreamChat with GPT-6.1 Terra
MainstreamChat with Gemini 2.5 Pro
Made by
OpenAI
Google
Content tier
Mainstream
Mainstream
Intelligence
Smart & Cheap
Smart & Cheap
Estimated price per message
~3.06 credits≈ 32 messages for 1 €
~4.55 credits≈ 21 messages for 1 €
Context window
1.1M tokens≈ 1,615 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, Unbottled AI
Status
Current
Legacy

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 €.