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Model Comparison

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

OpenAI

GPT OSS 20B

OpenAI

GPT OSS 20B is a language model developed by OpenAI. The model shows competitive results across 7 benchmarks. It excels particularly in MMLU (85.3%), CodeForces (83.9%), GPQA (71.5%). It supports a 262K token context window for handling large documents. The model is available through 4 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 20B

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 20B

Larger context
Max Context:262.1K
Parameters:20.9B
Moonshot AI

Kimi K2-Instruct-0905

Max Context:-
Parameters:1.0T

Average performance across 2 common benchmarks

OpenAI

GPT OSS 20B

Average Score:78.4%
Moonshot AI

Kimi K2-Instruct-0905

+3.9%
Average Score:82.3%

Performance comparison across key benchmark categories

OpenAI

GPT OSS 20B

code
+27.0%
83.9%
general
45.5%
agents
54.8%
Moonshot AI

Kimi K2-Instruct-0905

code
56.9%
general
+24.4%
69.9%
agents
+12.5%
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 20B

4 providers

ZeroEval

Throughput: 1000 tok/s
Latency: 0.38ms

OpenAI

Throughput: 115 tok/s
Latency: 5.2ms

Groq

Throughput: 1000 tok/s
Latency: 0.38ms

Novita

Moonshot AI

Kimi K2-Instruct-0905

0 providers
OpenAI

GPT OSS 20B

Avg Score:78.4%
Providers:4
Moonshot AI

Kimi K2-Instruct-0905

+3.9%
Avg Score:82.3%
Providers:0