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Claude 3.5 Haiku vs GPT OSS 20B
Comprehensive side-by-side LLM comparison
Claude 3.5 Haiku leads with 12.9% higher average benchmark score. Claude 3.5 Haiku offers 137.9K more tokens in context window than GPT OSS 20B. GPT OSS 20B is $4.55 cheaper per million tokens. Overall, Claude 3.5 Haiku is the stronger choice for coding tasks.
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Anthropic
Claude 3.5 Haiku is a language model developed by Anthropic. It achieves strong performance with an average score of 60.8% across 9 benchmarks. It excels particularly in HumanEval (88.1%), MGSM (85.6%), DROP (83.1%). It supports a 400K token context window for handling large documents. The model is available through 3 API providers. Released in 2024, it represents Anthropic's latest advancement in AI technology.
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OpenAI
GPT OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents OpenAI's latest advancement in AI technology.
9 months newer
Claude 3.5 Haiku
Anthropic
2024-10-22
GPT OSS 20B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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Claude 3.5 Haiku
Input:$0.80
Output:$4.00
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GPT OSS 20B
Input:$0.05
Output:$0.20($4.55 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 14 common benchmarks
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Claude 3.5 Haiku
Average Score:39.1%(+12.9%)
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GPT OSS 20B
Average Score:26.1%
Provider Availability & Performance
Available providers and their performance metrics
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Claude 3.5 Haiku
3 providers
Anthropic
Throughput: 100 tok/s
Latency: 0.3ms
Bedrock
Throughput: 104 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
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Claude 3.5 Haiku
Avg Score:39.1%(+12.9%)
Providers:3
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GPT OSS 20B
Avg Score:26.1%
Providers:4