Compare Google: Gemma 4 26B A4B by Google AI against GPT-5.4 Pro by OpenAI, in 6 community votes, gpt-5.4 pro wins 100% of head-to-head duels, context windows of 262K vs 1.1M, tested across 18 shared challenges. Updated April 2026.
GPT-5.4 Pro is the better choice overall, winning 100% of 6 blind community votes on Rival. Google: Gemma 4 26B A4B costs $0.13/M input tokens vs $30/M for GPT-5.4 Pro. Context windows: 262K vs 1050K tokens. Compare their real outputs side by side below.
Google: Gemma 4 26B A4B is made by google while GPT-5.4 Pro is from openai. Google: Gemma 4 26B A4B has a 262K token context window compared to GPT-5.4 Pro's 1050K. On pricing, Google: Gemma 4 26B A4B costs $0.13/M input tokens vs $30/M for GPT-5.4 Pro. In community voting, In 6 community votes, GPT-5.4 Pro wins 100% of head-to-head duels.
In 6 community votes, GPT-5.4 Pro wins 100% of head-to-head duels. GPT-5.4 Pro leads in Web Design. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.
Pick GPT-5.4 Pro. In 6 blind votes, GPT-5.4 Pro wins 100% of the time. That's not luck.
GPT-5.4 Pro particularly excels in Web Design. Google: Gemma 4 26B A4B is 450x cheaper per token — worth considering if cost matters.
Google: Gemma 4 26B A4B uses 15.5x more transitions
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 26B A4B by Google AI against GPT-5.4 Pro by OpenAI, in 6 community votes, gpt-5.4 pro wins 100% of head-to-head duels, context windows of 262K vs 1.1M, tested across 18 shared challenges. Updated April 2026.
GPT-5.4 Pro is the better choice overall, winning 100% of 6 blind community votes on Rival. Google: Gemma 4 26B A4B costs $0.13/M input tokens vs $30/M for GPT-5.4 Pro. Context windows: 262K vs 1050K tokens. Compare their real outputs side by side below.
Google: Gemma 4 26B A4B is made by google while GPT-5.4 Pro is from openai. Google: Gemma 4 26B A4B has a 262K token context window compared to GPT-5.4 Pro's 1050K. On pricing, Google: Gemma 4 26B A4B costs $0.13/M input tokens vs $30/M for GPT-5.4 Pro. In community voting, In 6 community votes, GPT-5.4 Pro wins 100% of head-to-head duels.
In 6 community votes, GPT-5.4 Pro wins 100% of head-to-head duels. GPT-5.4 Pro leads in Web Design. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.
Pick GPT-5.4 Pro. In 6 blind votes, GPT-5.4 Pro wins 100% of the time. That's not luck.
GPT-5.4 Pro particularly excels in Web Design. Google: Gemma 4 26B A4B is 450x cheaper per token — worth considering if cost matters.
Google: Gemma 4 26B A4B uses 15.5x more transitions
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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13 fights queued
1+ 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