Compare Google: Gemma 4 31B by Google AI against GPT OSS 120B by OpenAI, in 11 community votes, google: gemma 4 31b wins 67% of head-to-head duels, context windows of 262K vs 131K, tested across 44 shared challenges. Updated April 2026.
Google: Gemma 4 31B is the better choice overall, winning 67% of 11 blind community votes on Rival. Google: Gemma 4 31B costs $0.14/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 262K vs 131K tokens. Compare their real outputs side by side below.
Google: Gemma 4 31B is made by google while GPT OSS 120B is from openai. Google: Gemma 4 31B has a 262K token context window compared to GPT OSS 120B's 131K. On pricing, Google: Gemma 4 31B costs $0.14/M input tokens vs $0.18/M for GPT OSS 120B. In community voting, In 11 community votes, Google: Gemma 4 31B wins 67% of head-to-head duels.
In 11 community votes, Google: Gemma 4 31B wins 67% of head-to-head duels. Google: Gemma 4 31B leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 11+ human preference judgments for this pair.
Pick Google: Gemma 4 31B. In 11 blind votes, Google: Gemma 4 31B wins 67% of the time. That's not luck.
Google: Gemma 4 31B particularly excels in Image Generation, Web Design.
Google: Gemma 4 31B uses 2.2x more lists
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Google: Gemma 4 31B by Google AI against GPT OSS 120B by OpenAI, in 11 community votes, google: gemma 4 31b wins 67% of head-to-head duels, context windows of 262K vs 131K, tested across 44 shared challenges. Updated April 2026.
Google: Gemma 4 31B is the better choice overall, winning 67% of 11 blind community votes on Rival. Google: Gemma 4 31B costs $0.14/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 262K vs 131K tokens. Compare their real outputs side by side below.
Google: Gemma 4 31B is made by google while GPT OSS 120B is from openai. Google: Gemma 4 31B has a 262K token context window compared to GPT OSS 120B's 131K. On pricing, Google: Gemma 4 31B costs $0.14/M input tokens vs $0.18/M for GPT OSS 120B. In community voting, In 11 community votes, Google: Gemma 4 31B wins 67% of head-to-head duels.
In 11 community votes, Google: Gemma 4 31B wins 67% of head-to-head duels. Google: Gemma 4 31B leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 11+ human preference judgments for this pair.
Pick Google: Gemma 4 31B. In 11 blind votes, Google: Gemma 4 31B wins 67% of the time. That's not luck.
Google: Gemma 4 31B particularly excels in Image Generation, Web Design.
Google: Gemma 4 31B uses 2.2x more lists
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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39 fights queued
27+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy