Compare Claude Sonnet 4.6 by Anthropic against DeepSeek Prover V2 by DeepSeek, context windows of 1.0M vs 164K, tested across 6 shared challenges. Updated April 2026.
Claude Sonnet 4.6 and DeepSeek Prover V2 are both competitive models. Claude Sonnet 4.6 costs $3/M input tokens vs $0/M for DeepSeek Prover V2. Context windows: 1000K vs 164K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.6 is made by anthropic while DeepSeek Prover V2 is from deepseek. Claude Sonnet 4.6 has a 1000K token context window compared to DeepSeek Prover V2's 164K. On pricing, Claude Sonnet 4.6 costs $3/M input tokens vs $0/M for DeepSeek Prover V2.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Claude Sonnet 4.6 uses 52.7x 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 Sonnet 4.6 by Anthropic against DeepSeek Prover V2 by DeepSeek, context windows of 1.0M vs 164K, tested across 6 shared challenges. Updated April 2026.
Claude Sonnet 4.6 and DeepSeek Prover V2 are both competitive models. Claude Sonnet 4.6 costs $3/M input tokens vs $0/M for DeepSeek Prover V2. Context windows: 1000K vs 164K tokens. Compare their real outputs side by side below.
Claude Sonnet 4.6 is made by anthropic while DeepSeek Prover V2 is from deepseek. Claude Sonnet 4.6 has a 1000K token context window compared to DeepSeek Prover V2's 164K. On pricing, Claude Sonnet 4.6 costs $3/M input tokens vs $0/M for DeepSeek Prover V2.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Claude Sonnet 4.6 uses 52.7x 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.

6 fights queued
6 fights queued