AnthropicClaude Haiku 4.5VSOpenAIGPT-5.4 Pro
Our Take
Standardized reasoning and coding benchmarks are currently pending verification for one or both of these models. We recommend testing Claude Haiku 4.5 and GPT-5.4 Pro directly in their respective provider playgrounds to see which fits your specific prompt styles best.
Was this recommendation helpful?
Benchmarks & Scores
Coding (swe-bench-verified)
73.3%multi-file code and clearly defined tasks
Reasoning (gpqa-diamond)Winner (+5.4%)
73%graduate-level science QA
Cost & Context
Cost (per 1M tokens)
$2.00Input: $1.00 | Output: $5.00Context Window
200k tokensBenchmarks & Scores
Coding (swe-bench-pro)
N/Acomplex codebases, multi-file repositories, and architectural planning
Reasoning (gpqa-diamond)
67.6%graduate-level science QA
Cost & Context
Cost (per 1M tokens)14.5x cheaper
$0.14Input: $0.05 | Output: $0.40Context WindowLarger
400k tokensFrequently Asked Questions about Claude Haiku 4.5 vs GPT-5.4 Pro
GPT-5.4 Pro is cheaper than Claude Haiku 4.5. GPT-5.4 Pro has a blended cost of $0.14/1M tokens, which is about 14.5x cheaper than Claude Haiku 4.5 at $2.00/1M tokens.
Related Matchups
Explore similar comparisons for Claude Haiku 4.5 and GPT-5.4 Pro.
Do you want to find a model for your constraints?
Use our interactive model finder to filter LLMs by reasoning capability, coding performance, cost, and context length.