Tools JSON Open weights

Reasoning model for deliberate analysis, multi-step problem solving, and tool use

nousresearch/hermes-4-405b 2025-08-26 131.072K context $0.996/M input $2.989/M output
3 providers
JSON Open weights

Open Llama instruction model for multilingual chat, reasoning, and coding

nousresearch/hermes-3-llama-3.1-70b 2024-08-18 131.072K context $0.7/M input $0.7/M output
3 providers
JSON Open weights

Open Llama instruction model for multilingual chat, reasoning, and coding

nousresearch/hermes-3-llama-3.1-405b 2024-08-16 131.072K context $1/M input $1/M output
3 providers
JSON Open weights

Llama 3 fine-tune optimized for function calling, structured JSON responses, and dialogue

nousresearch/hermes-2-pro-llama-3-8b 2024-04-30 8.192K context $0.14/M input $0.14/M output
2 providers