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Devstral Medium vs GPT OSS 120B
Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 46.3% higher average benchmark score. GPT OSS 120B offers 6.1K more tokens in context window than Devstral Medium. GPT OSS 120B is $1.86 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
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Mistral AI
Devstral Medium is a language model developed by Mistral AI. It achieves strong performance with an average score of 61.6% across 1 benchmarks. Notable strengths include SWE-Bench Verified (61.6%). It supports a 256K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Mistral AI's latest advancement in AI technology.
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OpenAI
GPT OSS 120B is a language model developed by OpenAI. It achieves strong performance with an average score of 61.7% across 7 benchmarks. It excels particularly in MMLU (90.0%), CodeForces (87.4%), GPQA (80.1%). It supports a 262K token context window for handling large documents. The model is available through 5 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.
26 days newer
Devstral Medium
Mistral AI
2025-07-10
GPT OSS 120B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
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Devstral Medium
Input:$0.40
Output:$2.00
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GPT OSS 120B
Input:$0.09
Output:$0.45($1.86 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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Devstral Medium
Average Score:7.7%
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GPT OSS 120B
Average Score:54.0%(+46.3%)
Provider Availability & Performance
Available providers and their performance metrics
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Devstral Medium
1 providers
Mistral AI
Throughput: 137.1 tok/s
Latency: 0.23ms
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GPT OSS 120B
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Devstral Medium
Avg Score:7.7%
Providers:1
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GPT OSS 120B
Avg Score:54.0%(+46.3%)
Providers:5