GPT-OSS 120B vs o1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GPT-OSS 120B by OpenAI wins on 4 of 7 benchmarks against o1 by OpenAI, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Coding: In coding, o1 scores 39.7 on AA Coding Index compared to GPT-OSS 120B's 30.4.
Reasoning: In reasoning, o1 scores 77.3% on GPQA Diamond compared to GPT-OSS 120B's 74.9%.
Context: In context, o1 scores 200K on Context Length compared to GPT-OSS 120B's 131K.
Pricing Comparison
GPT-OSS 120B costs $0.04/1M input tokens and $0.17/1M output tokens, while o1 costs $15.0/1M input and $60.0/1M output. GPT-OSS 120B is the more affordable option for API usage.
Speed Comparison
GPT-OSS 120B generates output at 339 tok/s compared to o1's 35 tok/s, and the time to first token is 440 ms for GPT-OSS 120B versus 1000 ms for o1. GPT-OSS 120B delivers faster throughput.
Verdict
GPT-OSS 120B leads across the board in affordability, speed, making it the stronger overall choice in this comparison.
View Individual Model Pages
GPT-OSS 120B vs o1 — FAQ
Which is better, GPT-OSS 120B or o1?
GPT-OSS 120B wins on more benchmarks overall (4 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does GPT-OSS 120B compare to o1 for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is GPT-OSS 120B cheaper than o1?
Yes, GPT-OSS 120B is cheaper. GPT-OSS 120B costs $0.04/1M input and $0.17/1M output tokens. o1 costs $15.0/1M input and $60.0/1M output tokens.
Which is faster, GPT-OSS 120B or o1?
GPT-OSS 120B is faster, generating output at 339 tok/s compared to 35 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the GPT-OSS 120B vs o1 comparison cover?
This comparison covers 7 benchmarks including GPQA Diamond, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length, AA Coding Index. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.