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Model Comparison

Comprehensive side-by-side analysis of model capabilities and performance

OpenAI

GPT OSS 120B

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.

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

Kimi K2-Instruct-0905 is a language model developed by Moonshot AI. It achieves strong performance with an average score of 64.1% across 29 benchmarks. It excels particularly in MATH-500 (97.4%), MMLU-Redux (92.7%), IFEval (89.8%). It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

OpenAI

GPT OSS 120B

OpenAI

2025-08-05

Moonshot AI

Kimi K2-Instruct-0905

Moonshot AI

2025-09-05

1 month newer

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 120B

Larger context
Max Context:262.1K
Parameters:116.8B
Moonshot AI

Kimi K2-Instruct-0905

Max Context:-
Parameters:1.0T

Average performance across 2 common benchmarks

OpenAI

GPT OSS 120B

+2.8%
Average Score:85.0%
Moonshot AI

Kimi K2-Instruct-0905

Average Score:82.3%

Performance comparison across key benchmark categories

OpenAI

GPT OSS 120B

code
+30.5%
87.4%
general
55.3%
agents
+0.5%
67.8%
Moonshot AI

Kimi K2-Instruct-0905

code
56.9%
general
+14.5%
69.9%
agents
67.3%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT OSS 120B

5 providers

ZeroEval

Throughput: 500 tok/s
Latency: 0.5ms

DeepInfra

Groq

Throughput: 500 tok/s
Latency: 0.5ms

Novita

OpenAI

Throughput: 115 tok/s
Latency: 5.2ms
Moonshot AI

Kimi K2-Instruct-0905

0 providers
OpenAI

GPT OSS 120B

+2.8%
Avg Score:85.0%
Providers:5
Moonshot AI

Kimi K2-Instruct-0905

Avg Score:82.3%
Providers:0