Compare Claude Haiku 4.5 by Anthropic against DeepSeek R1 by DeepSeek, context windows of 200K vs 128K, tested across 53 shared challenges. Updated June 2026.
Claude Haiku 4.5 and DeepSeek R1 are both competitive models. Claude Haiku 4.5 costs $1/M input tokens vs $0.55/M for DeepSeek R1. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Claude Haiku 4.5 is made by anthropic while DeepSeek R1 is from deepseek. Claude Haiku 4.5 has a 200K token context window compared to DeepSeek R1's 128K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $0.55/M for DeepSeek R1.
No community votes yet. On paper, Claude Haiku 4.5 has the edge — newer, bigger context window.
DeepSeek R1 is cheaper on both — 1.8× input, 2.3× output
Claude Haiku 4.5 uses 4.7x more emoji
Compare Claude Haiku 4.5 by Anthropic against DeepSeek R1 by DeepSeek, context windows of 200K vs 128K, tested across 53 shared challenges. Updated June 2026.
Claude Haiku 4.5 and DeepSeek R1 are both competitive models. Claude Haiku 4.5 costs $1/M input tokens vs $0.55/M for DeepSeek R1. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Claude Haiku 4.5 is made by anthropic while DeepSeek R1 is from deepseek. Claude Haiku 4.5 has a 200K token context window compared to DeepSeek R1's 128K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $0.55/M for DeepSeek R1.
No community votes yet. On paper, Claude Haiku 4.5 has the edge — newer, bigger context window.
DeepSeek R1 is cheaper on both — 1.8× input, 2.3× output
Claude Haiku 4.5 uses 4.7x more emoji