Compare · ModelsLive · 2 picked · head to head
gpt-oss-120b (free) vs Grok 4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Grok 4 wins on 1/1 benchmarks
Grok 4 wins 1 of 1 shared benchmarks. Leads in coding.
Category leads
coding·Grok 4
Hype vs Reality
Attention vs performance
gpt-oss-120b (free)
#25 by perf·no signal
Grok 4
#87 by perf·#15 by attention
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
xAI
$250.0B·Tier 1
Head to head
1 benchmark · 2 models
gpt-oss-120b (free)Grok 4
Aider polyglot
Grok 4 leads by +37.8
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
gpt-oss-120b (free)
41.8
Grok 4
79.6
Full benchmark table
| Benchmark | gpt-oss-120b (free) | Grok 4 |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 41.8 | 79.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.00 | $0.00 | 131K tokens (~66 books) | — | |
| — | — | — | — |