Model Comparison

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

OpenAI

GPT OSS 120B

OpenAI

GPT OSS 120B is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 2 benchmarks. Notable strengths include GPQA (71.5%), MMLU (54.8%). It supports a 161K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. 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

Moonshot AI

Kimi K2 Instruct is a language model developed by Moonshot AI. It achieves strong performance with an average score of 66.7% across 38 benchmarks. It excels particularly in MATH-500 (97.4%), GSM8k (97.3%), CBNSL (95.6%). It supports a 144K token context window for handling large documents. The model is available through 1 API provider. Released in 2025, it represents Moonshot AI's latest advancement in AI technology.

Moonshot AI

Kimi K2 Instruct

Moonshot AI

2025-01-01

OpenAI

GPT OSS 120B

OpenAI

2025-08-05

7 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT OSS 120B

$2.11 cheaper
Input:$0.15
Output:$0.60
Moonshot AI

Kimi K2 Instruct

Input:$0.57
Output:$2.29

Performance Metrics

Context window and performance specifications

OpenAI

GPT OSS 120B

Larger context
Max Context:161.0K
Parameters:120.0B
Moonshot AI

Kimi K2 Instruct

Max Context:144.0K
Parameters:1.0T

Average performance across 2 common benchmarks

OpenAI

GPT OSS 120B

Average Score:63.1%
Moonshot AI

Kimi K2 Instruct

+19.2%
Average Score:82.3%

Performance comparison across key benchmark categories

OpenAI

GPT OSS 120B

general
+1.2%
63.1%
Moonshot AI

Kimi K2 Instruct

general
62.0%
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

1 providers

ZeroEval

Throughput: 500 tok/s
Latency: 0.5ms
Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
OpenAI

GPT OSS 120B

Avg Score:63.1%
Providers:1
Moonshot AI

Kimi K2 Instruct

+19.2%
Avg Score:82.3%
Providers:1