LLaMA 3.1 405B vs LLaMA 3.3 70B — Which Is Better in 2026?
LLaMA 3.1 405B vs LLaMA 3.3 70B: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
Meta
LLaMA 3.1 405B
Best open-source LLM — free to run
Meta
LLaMA 3.3 70B
Best open-source model for local deployment
7.8
Overall Score
7.9
Overall Score
WINNEROur Verdict
LLaMA 3.3 70B scores higher overall (7.9/10 vs 7.8/10), winning on Value and Reliability. Best open-source model for local deployment. Near GPT-4o quality at zero API cost.
Pricing — LLaMA 3.1 405B
Free (self-hosted) · Cloud inference from $0.003/1K tokens
Pricing — LLaMA 3.3 70B
Free (self-hosted) · Cloud inference ~$0.001/1K tokens
LLaMA 3.1 405B
Pros
- ✓Fully open-source weights — self-host for free
- ✓No data sent to third parties
- ✓Competitive with GPT-4 class models
Cons
- ✗Requires GPU infrastructure to run
- ✗No official support or SLA
- ✗Harder to set up than hosted solutions
Best For
Privacy-first deployments, open-source enthusiasts, budget-conscious teams with infrastructure
LLaMA 3.3 70B
Pros
- ✓Runs efficiently on a single A100 GPU
- ✓Near GPT-4o quality at no API cost
- ✓Huge community and fine-tuning ecosystem
Cons
- ✗Still requires GPU to run at useful speed
- ✗Weaker than 405B on hardest tasks
- ✗Setup complexity vs hosted solutions
Best For
Teams with GPU infrastructure, privacy-critical deployments, open-source stacks
Choose LLaMA 3.1 405B if…
- →Performance is your top priority — LLaMA 3.1 405B leads by 0.5 points
- →Privacy-first deployments
- →Meta support, documentation, and community suit your team
Choose LLaMA 3.3 70B if…
- →Value is your top priority — LLaMA 3.3 70B leads by 0.3 points
- →Teams with GPU infrastructure
- →You also value Reliability — LLaMA 3.3 70B wins that dimension too
Frequently Asked Questions
Is LLaMA 3.1 405B better than LLaMA 3.3 70B?
LLaMA 3.3 70B scores 7.9/10 overall vs 7.8/10 for LLaMA 3.1 405B, with an edge on Value and Reliability and Ease of Use. That said, "LLaMA 3.1 405B" may be the better pick if performance is your priority. The right choice depends on your use case.
What is the pricing difference between LLaMA 3.1 405B and LLaMA 3.3 70B?
LLaMA 3.1 405B: Free (self-hosted) · Cloud inference from $0.003/1K tokens. LLaMA 3.3 70B: Free (self-hosted) · Cloud inference ~$0.001/1K tokens. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for teams with gpu infrastructure?
LLaMA 3.3 70B is generally stronger here, scoring 7.9/10 overall. Best open-source model for local deployment. Near GPT-4o quality at zero API cost. For more niche requirements like performance, LLaMA 3.1 405B may be worth evaluating.
See all VS comparisons
28 head-to-head comparisons across AI models, coding tools, image generators & more.
Browse all comparisons →