Mistral Small 3.1 | Mistral AI

This post announces Mistral Small 3.1, an iteration on the Mistral Small 3 model. Key improvements include enhanced text performance, multimodal understanding capabilities, and an expanded context window up to 128k tokens. The model claims to outperform comparable models like Gemma 3 and GPT-4o Mini, achieving inference speeds of 150 tokens per second. It is released under an Apache 2.0 license and is suitable for on-device use cases, conversational assistance, function calling, and fine-tuning. The post also mentions the availability of base and instruct checkpoints for further customization.