# Kimi K3

GPT-OSS 120B from OpenAI was first recorded on 18 Sep 2026. Its release date is not established. Catalogues list a 131,072 tokens context window. 13 evidence links.

- Kind: Sighting
- Developer: OpenAI
- Confidence: Confirmed
- First seen: 2026-09-18T00:16:44.591Z
- Model: [GPT-OSS 120B](https://alexgetman.com/models/openai/gpt-oss-120b/)
- Canonical: https://alexgetman.com/signals/2026/09/18/kimi-k3-2/

## Evidence links

- [Arena · leaderboards](https://openai.com/index/introducing-gpt-oss/)
- [models.dev · catalogue](https://models.dev/#gpt-oss-120b)
- [Hugging Face · inference providers](https://huggingface.co/openai/gpt-oss-120b)
- [OpenRouter](https://openrouter.ai/openai/gpt-oss-120b)
- [OpenRouter](https://openrouter.ai/openai/gpt-oss-120b:batch)
- [models.dev · catalogue](https://models.dev/#gpt-oss-120b-1:0)
- [models.dev · catalogue](https://models.dev/#gpt-oss-120b-maas)
- [OpenCode · discovery](https://opencode.ai/data/openai/gpt-oss-120b)
- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [OpenRouter · usage](https://openrouter.ai/rankings)
- [models.dev · catalogue](https://models.dev/#gpt-oss:120b)
- [models.dev · catalogue](https://models.dev/#databricks-gpt-oss-120b)
- [Azure Foundry · lifecycle](https://learn.microsoft.com/en-us/azure/foundry/concepts/model-lifecycle-retirement?view=azureml-api-2)