Claude 3.7 Thinking Sonnet vs GPT OSS 120B
Compare Claude 3.7 Thinking Sonnet by Anthropic against GPT OSS 120B by OpenAI, context windows of 200K vs 131K, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Thinking Sonnet or GPT OSS 120B?
Claude 3.7 Thinking Sonnet and GPT OSS 120B are both competitive models. Claude 3.7 Thinking Sonnet costs $6/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 Thinking Sonnet and GPT OSS 120B
Claude 3.7 Thinking Sonnet is made by anthropic while GPT OSS 120B is from openai. Claude 3.7 Thinking Sonnet has a 200K token context window compared to GPT OSS 120B's 131K. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $0.18/M for GPT OSS 120B.
Per 1M tokens
GPT OSS 120B is cheaper on both — 33× input, 38× output
No community votes yet. On paper, GPT OSS 120B has the edge — bigger model tier, newer.
GPT OSS 120B is 38x cheaper per token — worth considering if cost matters.
Style Comparison
GPT OSS 120B uses 15.4x more emoji
