Claude 3.7 Sonnet vs GPT OSS 120B
Compare Claude 3.7 Sonnet by Anthropic against GPT OSS 120B by OpenAI, in 16 community votes, gpt oss 120b wins 55% of head-to-head duels, context windows of 200K vs 131K, tested across 54 shared challenges. Updated June 2026.
Which is better, Claude 3.7 Sonnet or GPT OSS 120B?
GPT OSS 120B is the better choice overall, winning 55% of 16 blind community votes on Rival. Claude 3.7 Sonnet costs $3/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and GPT OSS 120B
Claude 3.7 Sonnet is made by anthropic while GPT OSS 120B is from openai. Claude 3.7 Sonnet has a 200K token context window compared to GPT OSS 120B's 131K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $0.18/M for GPT OSS 120B. In community voting, In 16 community votes, GPT OSS 120B wins 55% of head-to-head duels.
In 16 community votes, GPT OSS 120B wins 55% of head-to-head duels. Claude 3.7 Sonnet leads in Image Generation, while GPT OSS 120B leads in Reasoning. Based on blind community voting from the Rival open dataset of 16+ human preference judgments for this pair.
GPT OSS 120B has the edge overall. In 16 blind votes, GPT OSS 120B wins 55% of the time.
Pick Claude 3.7 Sonnet for Image Generation. Pick GPT OSS 120B for Reasoning. GPT OSS 120B is 19x cheaper per token — worth considering if cost matters.
Cost per 1M tokens
GPT OSS 120B is cheaper on both — 17× input, 19× output
Style Comparison
GPT OSS 120B uses 15.4x more emoji
