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GPT-J vs. Kimi

LLM Comparison


GPT-J

GPT-J

Overview

GPT-J is a model released by EleutherAI shortly after its release of GPTNeo, with the aim of delveoping an open source model with capabilities similar to OpenAI's GPT-3 model. With a larger size than GPTNeo, GPT-J also performs better on various benchmarks.



Initial release: 2021-06-09

Further Reading

Kimi

Overview

Kimi is Moonshot AI's open-weight family for long-context reasoning, coding, multimodal agents, and research. Kimi K3 is the current generation.


Moonshot AI launched Kimi in 2023 with an early focus on long-context document understanding. Kimi K3, released in July 2026, is a 2.8T-parameter mixture-of-experts model with 104B active parameters. It combines native vision, a one-million-token context window, long-horizon coding, knowledge work, reasoning, and agent orchestration. The full model weights are available under the Kimi K3 License.


Initial release: 2023-10-09

Current generation: Kimi K3

GPT-J

Kimi

Products & Features
Instruct Models
Coding Capability
Customization
Finetuning
Open Source
License Apache 2.0 Kimi K3 License
Model Sizes 6B 2.8T (104B active)