All models
Head to head
GPT-OSS 120B vs Grok 4 Fast
Price, context, inputs and filters. No benchmarks theatre.
GPT-OSS 120B costs 1.2× less per message.
Grok 4 Fast holds 7.6× more context.
Made by
OpenAI
X-AI
Content tier
Open
Open
Intelligence
Smart & Cheap
Quick
Price per message
~0.43 credits≈ 232 messages for $1
~0.52 credits≈ 192 messages for $1
Context window
131K tokens≈ 202 pages of text in one go
1M tokens≈ 1,538 pages of text in one go
Reads
Text
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.