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Claude Haiku 4.5 vs GPT-4.1
Comprehensive side-by-side LLM comparison
Claude Haiku 4.5 leads with 24.9% higher average benchmark score. GPT-4.1 offers 768.8K more tokens in context window than Claude Haiku 4.5. Claude Haiku 4.5 is $4.00 cheaper per million tokens. Claude Haiku 4.5 is available on 3 providers. Overall, Claude Haiku 4.5 is the stronger choice for coding tasks.
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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-4.1, released by OpenAI in April 2025, is a large language model from the GPT-4 family optimized for coding, precise instruction following, and long-context tasks. It features a 1M token context window and native image understanding, with improved performance on tool-calling and web development benchmarks compared to GPT-4o. GPT-4.1 targets software development workflows, long-document analysis, and applications requiring accurate, instruction-adherent outputs.
5 months newer
GPT-4.1
OpenAI
2025-04-14
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($4.00 cheaper)
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GPT-4.1
Input:$2.00
Output:$8.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Haiku 4.5
Average Score:73.0%(+24.9%)
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GPT-4.1
Average Score:48.1%
Performance comparison across key benchmark categories
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Claude Haiku 4.5
Science73.0%(+24.9%)
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GPT-4.1
Science48.1%
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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-4.1
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Claude Haiku 4.5
Avg Score:73.0%(+24.9%)
Providers:3
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GPT-4.1
Avg Score:48.1%
Providers:1