Claude Haiku 4.5 vs GPT-5
Compare Claude Haiku 4.5 by Anthropic against GPT-5 by OpenAI, in 2 community votes, gpt-5 wins 100% of head-to-head duels, context windows of 200K vs 400K, tested across 52 shared challenges. Updated June 2026.
Which is better, Claude Haiku 4.5 or GPT-5?
GPT-5 is the better choice overall, winning 100% of 2 blind community votes on Rival. Claude Haiku 4.5 costs $1/M input tokens vs $1.25/M for GPT-5. Context windows: 200K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Haiku 4.5 and GPT-5
Claude Haiku 4.5 is made by anthropic while GPT-5 is from openai. Claude Haiku 4.5 has a 200K token context window compared to GPT-5's 400K. On pricing, Claude Haiku 4.5 costs $1/M input tokens vs $1.25/M for GPT-5. In community voting, In 2 community votes, GPT-5 wins 100% of head-to-head duels.
In 2 community votes, GPT-5 wins 100% of head-to-head duels. GPT-5 leads in Image Generation. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick GPT-5. In 2 blind votes, GPT-5 wins 100% of the time. That's not luck.
GPT-5 particularly excels in Image Generation.
Cost per 1M tokens
Claude Haiku 4.5 is cheaper on both — 1.3× input, 2.0× output
Style Comparison
Claude Haiku 4.5 uses 20.4x more emoji
