Leanstral 2603 is an open-source language model by mistralai. Features: LLM, VRAM: 121GB, Context: 1024K, License: MNPL-0.1, LLM Explorer Score: 0.37.
Model Card on HF 🤗: https://huggingface.co/mistralai/Leanstral-2603
Leanstral 2603 Benchmarks
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
What is the LLM Explorer Rank (Score)
Leanstral 2603 Parameters and Internals
| LLM Name | Leanstral 2603 |
| Repository 🤗 | https://huggingface.co/mistralai/Leanstral-2603 |
| Required VRAM | 121 GB |
| Updated | 2026-04-13 |
| Maintainer | mistralai |
| Model Files | |
| Model Architecture | MambaSSM |
| License | MNPL-0.1 |
| Context Length | 1048576 |
| Model Max Length | 1048576 |
| Vocabulary Size | 131072 |
Best Alternatives to Leanstral 2603
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| Mistral Nemo Instruct 2407 | 128K / 24.5 GB | 111842 | 1660 |
| Mistral Small Instruct 2409 | 0K / 44.7 GB | 12660 | 394 |
Rank the Leanstral 2603 Capabilities
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a