Model Comparison

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

OpenAI

GPT-5

OpenAI

GPT-5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 70.1% across 35 benchmarks. It excels particularly in SWE-Lancer (IC-Diamond subset) (100.0%), COLLIE (99.0%), Tau2 telecom (96.7%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. 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-5

OpenAI

2025-08-07

7 months newer

Pricing Comparison

Cost per million tokens (USD)

OpenAI

GPT-5

Input:$1.25
Output:$10.00
Moonshot AI

Kimi K2 Instruct

$8.39 cheaper
Input:$0.57
Output:$2.29

Performance Metrics

Context window and performance specifications

OpenAI

GPT-5

Larger context
Max Context:528.0K
Moonshot AI

Kimi K2 Instruct

Max Context:144.0K
Parameters:1.0T

Average performance across 10 common benchmarks

OpenAI

GPT-5

+20.9%
Average Score:81.3%
Moonshot AI

Kimi K2 Instruct

Average Score:60.4%

Performance comparison across key benchmark categories

OpenAI

GPT-5

code
+13.9%
93.4%
math
55.5%
general
+12.3%
74.3%
Moonshot AI

Kimi K2 Instruct

code
79.5%
math
+31.1%
86.6%
general
62.0%
Benchmark Scores - Detailed View
Side-by-side comparison of all benchmark scores
Knowledge Cutoff
Training data recency comparison

GPT-5

2024-09-30

More recent knowledge cutoff means awareness of newer technologies and frameworks

Provider Availability & Performance

Available providers and their performance metrics

OpenAI

GPT-5

2 providers

OpenAI

Throughput: 100 tok/s
Latency: 2ms

ZeroEval

Throughput: 100 tok/s
Latency: 2ms
Moonshot AI

Kimi K2 Instruct

1 providers

Novita

Throughput: 45 tok/s
Latency: 0.95ms
OpenAI

GPT-5

+20.9%
Avg Score:81.3%
Providers:2
Moonshot AI

Kimi K2 Instruct

Avg Score:60.4%
Providers:1