Flux 1.1 Pro vs LLaMA 3.1 405B — Which Is Better in 2026?
Flux 1.1 Pro vs LLaMA 3.1 405B: independent head-to-head scored on Performance, Value, Reliability, and Ease of Use. See scores, pros, cons, and our verdict.
Black Forest Labs
Flux 1.1 Pro
Best new open-source image model
Meta
LLaMA 3.1 405B
Best open-source LLM — free to run
8.2
Overall Score
WINNER7.8
Overall Score
Our Verdict
Flux 1.1 Pro scores higher overall (8.2/10 vs 7.8/10), winning on Performance and Reliability. Best new open-source image model. Near-Midjourney photorealism with open weights.
Pricing — Flux 1.1 Pro
Via Replicate from $0.003/image · Free if self-hosted
Pricing — LLaMA 3.1 405B
Free (self-hosted) · Cloud inference from $0.003/1K tokens
Flux 1.1 Pro
Pros
- ✓Near-Midjourney photorealism quality
- ✓Open-source weights — self-host for free
- ✓API access via Replicate, fal.ai, Together AI
Cons
- ✗No native web UI — requires third-party platform
- ✗Less community resources than Midjourney
- ✗Quality varies by hosting platform
Best For
Developers wanting API access, open-source workflows, photorealistic image generation
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
Choose Flux 1.1 Pro if…
- →Performance is your top priority — Flux 1.1 Pro leads by 0.3 points
- →Developers wanting API access
- →You also value Reliability — Flux 1.1 Pro wins that dimension too
Choose LLaMA 3.1 405B if…
- →Value is your top priority — LLaMA 3.1 405B leads by 1.0 points
- →Privacy-first deployments
- →Meta support, documentation, and community suit your team
Frequently Asked Questions
Is Flux 1.1 Pro better than LLaMA 3.1 405B?
Flux 1.1 Pro scores 8.2/10 overall vs 7.8/10 for LLaMA 3.1 405B, with an edge on Performance and Reliability and Ease of Use. That said, "LLaMA 3.1 405B" may be the better pick if value is your priority. The right choice depends on your use case.
What is the pricing difference between Flux 1.1 Pro and LLaMA 3.1 405B?
Flux 1.1 Pro: Via Replicate from $0.003/image · Free if self-hosted. LLaMA 3.1 405B: Free (self-hosted) · Cloud inference from $0.003/1K tokens. Compare usage volumes and features needed to determine total cost of ownership for your team.
Which is better for developers wanting api access?
Flux 1.1 Pro is generally stronger here, scoring 8.2/10 overall. Best new open-source image model. Near-Midjourney photorealism with open weights. For more niche requirements like value, LLaMA 3.1 405B may be worth evaluating.
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