+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT OSS 120B vs GPT-3.5 Turbo
Comprehensive side-by-side LLM comparison
GPT OSS 120B leads with 7.2% higher average benchmark score. GPT OSS 120B offers 241.7K more tokens in context window than GPT-3.5 Turbo. GPT OSS 120B is $1.46 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Overall, GPT OSS 120B is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
OpenAI
GPT-3.5 Turbo is a language model developed by OpenAI. The model shows competitive results across 8 benchmarks. Notable strengths include DROP (70.2%), MMLU (69.8%), HumanEval (68.0%). The model is available through 2 API providers.
2 years newer
GPT-3.5 Turbo
OpenAI
2023-03-21
GPT OSS 120B
OpenAI
2025-08-05
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT OSS 120B
Input:$0.09
Output:$0.45($1.46 cheaper)
+
+
+
+
GPT-3.5 Turbo
Input:$0.50
Output:$1.50
Performance Metrics
Context window and performance specifications
Average performance across 13 common benchmarks
+
+
+
+
GPT OSS 120B
Average Score:33.2%(+7.2%)
+
+
+
+
GPT-3.5 Turbo
Average Score:26.0%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
GPT-3.5 Turbo
2021-09-30
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT OSS 120B
5 providers
DeepInfra
Groq
Throughput: 500 tok/s
Latency: 0.5ms
Novita
OpenAI
Throughput: 115 tok/s
Latency: 5.2ms
ZeroEval
Throughput: 500 tok/s
Latency: 0.5ms
+
+
+
+
+
GPT OSS 120B
Avg Score:33.2%(+7.2%)
Providers:5
+
+
+
+
GPT-3.5 Turbo
Avg Score:26.0%
Providers:2