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GPT-4.1 vs o1
Comprehensive side-by-side LLM comparison
o1 leads with 2.7% higher average benchmark score. GPT-4.1 offers 732.8K more tokens in context window than o1. GPT-4.1 is $65.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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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.
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OpenAI
OpenAI o1, released by OpenAI in December 2024, is a reasoning-focused large language model that applies extended chain-of-thought processing before generating responses. It features a 200K token context window and native image understanding, demonstrating strong performance on STEM benchmarks requiring multi-step reasoning. o1 targets mathematics, science, and coding tasks where careful deliberation over the problem produces more accurate outputs than direct generation.
4 months newer
o1
OpenAI
2024-12-05
GPT-4.1
OpenAI
2025-04-14
Pricing Comparison
Cost per million tokens (USD)
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GPT-4.1
Input:$2.00
Output:$8.00($65.00 cheaper)
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o1
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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GPT-4.1
Average Score:3.6%
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o1
Average Score:6.3%(+2.7%)
Performance comparison across key benchmark categories
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GPT-4.1
Agents3.6%
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o1
Agents6.3%(+2.7%)
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Knowledge Cutoff
Training data recency comparison
o1
2023-10
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.1
1 providers
OpenAI
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o1
1 providers
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GPT-4.1
Avg Score:3.6%
Providers:1
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o1
Avg Score:6.3%(+2.7%)
Providers:1