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Claude Haiku 4.5 vs GPT-5 Mini
Comprehensive side-by-side LLM comparison
GPT-5 Mini offers 168.8K more tokens in context window than Claude Haiku 4.5. Claude Haiku 4.5 is $19.00 cheaper per million tokens. Claude Haiku 4.5 is available on 3 providers. Both models have their strengths depending on your specific coding needs.
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Anthropic
Claude Haiku 4.5, released by Anthropic in October 2025, is a fast, efficient large language model from the Claude 4.5 family optimized for high-throughput, low-latency workloads. It features a 200K token context window, 64K maximum output tokens, native image understanding, and extended thinking capabilities. Haiku 4.5 targets latency-sensitive applications such as real-time assistants, document classification, and lightweight agentic tasks where rapid response times are a primary requirement.
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OpenAI
GPT-5 mini, released by OpenAI in August 2025, is a smaller variant from the GPT-5 family that inherits GPT-5's unified reasoning architecture and multimodal capabilities at a reduced inference cost. It targets high-volume production use cases requiring a balance of intelligence and response speed, offering GPT-5 capabilities for applications where full GPT-5 inference costs are a concern.
2 months newer
GPT-5 Mini
OpenAI
2025-08
Claude Haiku 4.5
Anthropic
2025-10-01
Pricing Comparison
Cost per million tokens (USD)
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Claude Haiku 4.5
Input:$1.00
Output:$5.00($19.00 cheaper)
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GPT-5 Mini
Input:$5.00
Output:$20.00
Performance Metrics
Context window and performance specifications
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Knowledge Cutoff
Training data recency comparison
Claude Haiku 4.5
2025-02
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Haiku 4.5
3 providers
Anthropic
AWS Bedrock
Google Cloud Vertex AI
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GPT-5 Mini
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Claude Haiku 4.5
Avg Score:0.0%
Providers:3
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GPT-5 Mini
Avg Score:0.0%
Providers:1