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Hermes 4 vs Llama 3

Nous Research's open-weight Hermes 4 family (14B / 70B / 405B) — a steerable, neutrally-aligned reasoning model with a hybrid 'thinking' mode, strong function calling and structured JSON output for agentic builders.

Winner: Llama 3(⭐ 4.6)

🧠 Expert verdict

Our expert verdict: Llama 3 is the stronger all-round choice, scoring 4.6/5 versus 4.4/5 for Hermes 4. Choose Llama 3 if you want the best writing tool overall; pick Hermes 4 if "Highly steerable, neutrally aligned" matters more for your workflow.

Hermes 4

Nous Research's open-weight Hermes 4 family (14B / 70B / 405B) — a steerable, neutrally-aligned reasoning model with a hybrid 'thinking' mode, strong function calling and structured JSON output for agentic builders.

Visit Hermes 4

Llama 3

Meta's open-source LLM — 70B parameter model that rivals GPT-4 and runs locally on consumer hardware.

Visit Llama 3
CriteriaHermes 4Llama 3
Rating
4.4/5
4.6/5
Pricing
Open weights / API via providers
Open source
Category
writing
writing
Popularity
👍 Medium
🔥 Very High
Value for Money
⭐⭐ Good
⭐⭐⭐ Excellent
📅 Release Date
Aug 2025
🔄 Last Update
Jun 2026
Company
Nous Research
Founded
2023
API Access
Yes
No
Mobile App
No
No

Hermes 4

Pros

  • +Highly steerable, neutrally aligned
  • +Hybrid reasoning (think vs. answer)
  • +Excellent function calling & JSON mode
  • +Three sizes incl. 405B
  • +Fully open weights

Cons

  • Raw model — you handle safety/guardrails
  • Largest size is hardware-heavy
  • Not as polished as hosted assistants
  • Smaller mainstream ecosystem

🎯 Best forHermes 4

Custom agents with tool useStructured JSON pipelinesResearch and fine-tuningUncensored, neutral assistants

🏷️ TagsHermes 4

LLMOpen WeightsReasoningFunction CallingSteerable

Our Verdict

After comparing ratings, pricing and features, Llama 3 comes out ahead with a 4.6/5 rating. It is the better choice for most users.

Expert take on each tool

📌 Hermes 4

Hermes 4 is the model for builders who want maximum control and neutral alignment, with first-class function calling and JSON output. It rewards teams comfortable adding their own guardrails in exchange for a highly steerable open model.

Frequently Asked Questions

Which is better: Hermes 4 or Llama 3?

Llama 3 has the higher user rating (4.6/5 vs 4.4/5), making it the stronger overall pick. That said, Hermes 4 can still be the better fit depending on your budget and specific needs — see the full comparison above.

Is Hermes 4 or Llama 3 cheaper?

Llama 3 (Open source) is generally more budget-friendly than Hermes 4 (Open weights / API via providers). If cost is your main concern, Llama 3 is worth trying first — but compare the feature sets above to confirm it covers what you need.

Can I switch from Hermes 4 to Llama 3?

Yes — switching between Hermes 4 and Llama 3 is usually straightforward since both are writing tools with similar core workflows. Most users can export their data and get started with Llama 3 within a day; just check Llama 3's free plan before committing to a paid tier.