All models
Head to head

GPT-6.1 Sol vs GPT-6.1 Terra

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

GPT-6.1 Terra costs 2× less per message.

Both hold the same amount of context.

MainstreamChat with GPT-6.1 Sol
MainstreamChat with GPT-6.1 Terra
Made by
OpenAI
OpenAI
Content tier
Mainstream
Mainstream
Intelligence
Brilliant
Smart & Cheap
Price per message
~6.11 credits≈ 16 messages for 1 €
~3.06 credits≈ 32 messages for 1 €
Context window
1.1M tokens≈ 1,615 pages of text in one go
1.1M tokens≈ 1,615 pages of text in one go
Reads
Text, Images
Text, Images
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
Current

A typical message: 16K tokens in, 1.5K out. Short replies cost less. 1 credit = 0.01 €.