Compare GPT-1 and GPT OSS 120B, both from OpenAI, in 4 community votes, gpt oss 120b wins 100% of head-to-head duels, context windows of 1K vs 131K, tested across 7 shared challenges. Updated April 2026.
GPT OSS 120B is the better choice overall, winning 100% of 4 blind community votes on Rival. Context windows: 1K vs 131K tokens. Compare their real outputs side by side below.
GPT-1 is made by openai while GPT OSS 120B is from openai. GPT-1 has a 1K token context window compared to GPT OSS 120B's 131K. In community voting, In 4 community votes, GPT OSS 120B wins 100% of head-to-head duels.
In 4 community votes, GPT OSS 120B wins 100% of head-to-head duels. GPT OSS 120B leads in Image Generation. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Pick GPT OSS 120B. In 4 blind votes, GPT OSS 120B wins 100% of the time. That's not luck.
GPT OSS 120B particularly excels in Image Generation.
GPT OSS 120B uses 743.4x more bold
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 GPT-1 and GPT OSS 120B, both from OpenAI, in 4 community votes, gpt oss 120b wins 100% of head-to-head duels, context windows of 1K vs 131K, tested across 7 shared challenges. Updated April 2026.
GPT OSS 120B is the better choice overall, winning 100% of 4 blind community votes on Rival. Context windows: 1K vs 131K tokens. Compare their real outputs side by side below.
GPT-1 is made by openai while GPT OSS 120B is from openai. GPT-1 has a 1K token context window compared to GPT OSS 120B's 131K. In community voting, In 4 community votes, GPT OSS 120B wins 100% of head-to-head duels.
In 4 community votes, GPT OSS 120B wins 100% of head-to-head duels. GPT OSS 120B leads in Image Generation. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.
Pick GPT OSS 120B. In 4 blind votes, GPT OSS 120B wins 100% of the time. That's not luck.
GPT OSS 120B particularly excels in Image Generation.
GPT OSS 120B uses 743.4x more bold
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.

7 fights queued
7 fights queued