Comprehensive side-by-side LLM comparison
GPT-5 mini leads with 40.7% higher average benchmark score. GPT-5 mini offers 128.0K more tokens in context window than Claude 3.5 Haiku. GPT-5 mini is $2.55 cheaper per million tokens. GPT-5 mini supports multimodal inputs. Overall, GPT-5 mini is the stronger choice for coding tasks.
Anthropic
Claude 3.5 Haiku was developed as the next generation of Anthropic's fastest model, offering similar speed to Claude 3 Haiku while surpassing Claude 3 Opus on many intelligence benchmarks. Built with low latency, improved instruction following, and accurate tool use, it serves user-facing products, specialized sub-agent tasks, and data-heavy applications.
OpenAI
GPT-5 Mini was created as a more accessible version of GPT-5, designed to provide strong capabilities with improved efficiency and lower operational costs. Built to extend GPT-5's advancements to a broader range of applications, it balances advanced performance with practical deployment considerations.
9 months newer

Claude 3.5 Haiku
Anthropic
2024-10-22

GPT-5 mini
OpenAI
2025-08-07
Cost per million tokens (USD)

Claude 3.5 Haiku

GPT-5 mini
Context window and performance specifications
Average performance across 1 common benchmarks

Claude 3.5 Haiku

GPT-5 mini
GPT-5 mini
2024-05-30
Available providers and their performance metrics

Claude 3.5 Haiku
Anthropic
Bedrock

Claude 3.5 Haiku

GPT-5 mini

Claude 3.5 Haiku

GPT-5 mini

GPT-5 mini
OpenAI
ZeroEval