OpenChat-3.5-1210

Refined Open Chat AI for Instruction & Dialogue

What is OpenChat-3.5-1210?

OpenChat-3.5-1210 is a 7-billion-parameter instruction-tuned LLM designed for safe, helpful, and human-aligned dialogue. Built on the LLaMA-2 base and trained using C-RLHF (Contrastive Reinforcement Learning from Human Feedback), this version improves upon prior OpenChat releases with enhanced chat fluency, better grounding, and instruction-following precision.

It’s ideal for teams seeking open-source, transparent conversational AI that can be fine-tuned, deployed, or analyzed without licensing hurdles.

Key Features of OpenChat-3.5-1210

7B Parameter Model (LLaMA-2 Foundation)

Efficient and powerful for common NLP tasks, dialogue generation, and AI assistant development.

Tuned with C-RLHF for Safety

Contrastive RLHF helps OpenChat-3.5-1210 produce aligned, helpful, and context-aware responses across domains.

Improved Multi-Turn Dialogue Handling

Delivers better follow-up responses, remembers prior context more accurately, and stays on-topic in conversation.

Generalizable and Multilingual-Aware

While English is primary, it generalizes reasonably well to other languages for broad applications.

Open Source & Reproducible

Transparent training pipeline, open weights, and permissive usage for research and controlled commercial use.

Benchmark-Tuned Performance

Ranks strongly on MT-Bench, AlpacaEval, and other open model leaderboards for chat and instruction-following.

Use Cases of OpenChat-3.5-1210

Deploy in apps, websites, or customer portals for contextual, safe, and multilingual chat support.

Build bots that can summarize, explain, or complete tasks with clear, step-by-step instruction handling.

Study model alignment and RLHF training with a fully auditable and modifiable foundation.

Quickly integrate a capable and open chatbot engine into MVPs or internal tools with low compute needs.

Fine-tune on medical, legal, or industrial knowledge for domain-specific AI copilots.

OpenChat-3.5-1210

vs

Similar Chat Models

Feature	LLaMA 2 Chat 7B	MPT-7B-Instruct	OpenChat-3.5-0106	OpenChat-3.5-1210
Parameters	7B	7B	7B	7B
Training Base	LLaMA 2	Custom Transformer	LLaMA 2	LLaMA 2
Alignment Method	Supervised Fine-Tune	Standard Instruct	C-RLHF	C-RLHF (Refined)
Dialogue Handling	Moderate	Good	Very Good	Excellent
License	Open	Open (Apache 2.0)	Open (Non-commercial)	Open (Non-commercial)
Best Use Case	General Chat	Lightweight NLP	Instruction Chatbots	Safer Human-Aware Chatbots