Claude 3 Haiku vs GPT-4o (Omni)
Compare Claude 3 Haiku by Anthropic against GPT-4o (Omni) by OpenAI, context windows of 200K vs 128K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude 3 Haiku or GPT-4o (Omni)?
Claude 3 Haiku and GPT-4o (Omni) are both competitive models. Claude 3 Haiku costs $0.25/M input tokens vs $2.5/M for GPT-4o (Omni). Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3 Haiku and GPT-4o (Omni)
Claude 3 Haiku is made by anthropic while GPT-4o (Omni) is from openai. Claude 3 Haiku has a 200K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Claude 3 Haiku costs $0.25/M input tokens vs $2.5/M for GPT-4o (Omni).
Per 1M tokens
Claude 3 Haiku is cheaper on both — 10× input, 8.0× output
No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, newer.
Claude 3 Haiku is 8.0x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-4o (Omni) uses 2.5x more emoji
