Compare · ModelsLive · 2 picked · head to head
Gemma 4 31B vs GPT-5.5
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.5 wins on 1/1 benchmarks
GPT-5.5 wins 1 of 1 shared benchmarks. Leads in knowledge.
Category leads
knowledge·GPT-5.5
Hype vs Reality
Attention vs performance
Gemma 4 31B
#105 by perf·#6 by attention
GPT-5.5
#2 by perf·#9 by attention
Best value
Gemma 4 31B
50.6x better value than GPT-5.5
Gemma 4 31B
245.6 pts/$
$0.22/M
GPT-5.5
4.9 pts/$
$17.50/M
Vendor risk
Who is behind the model
Google DeepMind
$4.09T·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
1 benchmark · 2 models
Gemma 4 31BGPT-5.5
GPQA diamond
GPT-5.5 leads by +25.9
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Gemma 4 31B
67.7
GPT-5.5
93.6
Full benchmark table
| Benchmark | Gemma 4 31B | GPT-5.5 |
|---|---|---|
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 67.7 | 93.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.09 | $0.34 | 262K tokens (~131 books) | $1.53 | |
| $5.00 | $30.00 | 400K tokens (~200 books) | $112.50 |