+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT OSS 120B vs o1
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. o1 offers 37.9K more tokens in context window than GPT OSS 120B. GPT OSS 120B is $74.46 cheaper per million tokens. GPT OSS 120B is available on 5 providers. Both models have their strengths depending on your specific coding needs.
+
+
+
+
OpenAI
GPT-OSS 120B was developed as an open-source model release from OpenAI, designed to provide the research and developer community with access to a capable language model. Built with 120 billion parameters, it enables experimentation, fine-tuning, and deployment in contexts where open-source licensing and transparency are valued.
+
+
+
+
OpenAI
o1 was developed as part of OpenAI's reasoning-focused model series, designed to spend more time thinking before responding. Built to excel at complex reasoning tasks in science, coding, and mathematics, it employs extended internal reasoning processes to solve harder problems than traditional language models through careful step-by-step analysis.
7 months newer
o1
OpenAI
2024-12-17
GPT OSS 120B
OpenAI
2025-08-05
+
+
+
+
+
+
+
+
+
+
+
+
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT OSS 120B
Input:$0.09
Output:$0.45($74.46 cheaper)
+
+
+
+
o1
Input:$15.00
Output:$60.00
Performance Metrics
Context window and performance specifications
Average performance across 3 common benchmarks
+
+
+
+
GPT OSS 120B
Average Score:79.3%
+
+
+
+
o1
Average Score:80.2%(+0.9%)
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:79.3%
Providers:5
+
+
+
+
o1
Avg Score:80.2%(+0.9%)
Providers:2