Claude 3 Opus vs GPT-OSS 120B
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
GPT-OSS 120B by OpenAI wins on 5 of 6 benchmarks against Claude 3 Opus by Anthropic, which leads on 1. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
Reasoning: In reasoning, GPT-OSS 120B scores 74.9% on GPQA Diamond compared to Claude 3 Opus's 59.4%.
Context: In context, Claude 3 Opus scores 200K on Context Length compared to GPT-OSS 120B's 131K.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while GPT-OSS 120B costs $0.04/1M input and $0.17/1M output. GPT-OSS 120B is the more affordable option for API usage.
Speed Comparison
Claude 3 Opus generates output at 25 tok/s compared to GPT-OSS 120B's 339 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 440 ms for GPT-OSS 120B. 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.
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Claude 3 Opus vs GPT-OSS 120B — FAQ
Which is better, Claude 3 Opus or GPT-OSS 120B?
GPT-OSS 120B wins on more benchmarks overall (5 vs 1). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus compare to GPT-OSS 120B for coding?
SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.
Is Claude 3 Opus cheaper than GPT-OSS 120B?
Yes, GPT-OSS 120B is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. GPT-OSS 120B costs $0.04/1M input and $0.17/1M output tokens.
Which is faster, Claude 3 Opus or GPT-OSS 120B?
GPT-OSS 120B is faster, generating output at 339 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus vs GPT-OSS 120B comparison cover?
This comparison covers 6 benchmarks including GPQA Diamond, Output Speed, Time to First Token, Input Cost, Output Cost, Context Length. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.