Compare Claude Sonnet 3.6 (2022-10-22) and Claude Opus 4.7, both from Anthropic, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated April 2026.
Claude Sonnet 3.6 (2022-10-22) and Claude Opus 4.7 are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $5/M for Claude Opus 4.7. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Claude Sonnet 3.6 (2022-10-22) is made by anthropic while Claude Opus 4.7 is from anthropic. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to Claude Opus 4.7's 1000K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $5/M for Claude Opus 4.7.
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, newer, bigger context window.
Claude Opus 4.7 uses 86.2x more emoji
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 Sonnet 3.6 (2022-10-22) and Claude Opus 4.7, both from Anthropic, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated April 2026.
Claude Sonnet 3.6 (2022-10-22) and Claude Opus 4.7 are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $5/M for Claude Opus 4.7. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Claude Sonnet 3.6 (2022-10-22) is made by anthropic while Claude Opus 4.7 is from anthropic. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to Claude Opus 4.7's 1000K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $5/M for Claude Opus 4.7.
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, newer, bigger context window.
Claude Opus 4.7 uses 86.2x more emoji
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.
