Compare Claude 2 by Anthropic against GPT OSS 120B by OpenAI, context windows of 100K vs 131K, tested across 5 shared challenges. Updated April 2026.
Claude 2 and GPT OSS 120B are both competitive models. Claude 2 costs $11.02/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 100K vs 131K tokens. Compare their real outputs side by side below.
Claude 2 is made by anthropic while GPT OSS 120B is from openai. Claude 2 has a 100K token context window compared to GPT OSS 120B's 131K. On pricing, Claude 2 costs $11.02/M input tokens vs $0.18/M for GPT OSS 120B.
No community votes yet. On paper, GPT OSS 120B has the edge — bigger model tier, newer.
GPT OSS 120B is 41x cheaper per token — worth considering if cost matters.
GPT OSS 120B uses 27.6x more hedging
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 Claude 2 by Anthropic against GPT OSS 120B by OpenAI, context windows of 100K vs 131K, tested across 5 shared challenges. Updated April 2026.
Claude 2 and GPT OSS 120B are both competitive models. Claude 2 costs $11.02/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 100K vs 131K tokens. Compare their real outputs side by side below.
Claude 2 is made by anthropic while GPT OSS 120B is from openai. Claude 2 has a 100K token context window compared to GPT OSS 120B's 131K. On pricing, Claude 2 costs $11.02/M input tokens vs $0.18/M for GPT OSS 120B.
No community votes yet. On paper, GPT OSS 120B has the edge — bigger model tier, newer.
GPT OSS 120B is 41x cheaper per token — worth considering if cost matters.
GPT OSS 120B uses 27.6x more hedging
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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