Llama 4 405B vs Llama 4 8B
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Llama 4 405B specs · Llama 4 8B specs- PriceTie
Neither model publishes per-token API pricing.
- Context windowLlama 4 405B
Llama 4 405B accepts 256K tokens vs 128K, 2.0× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesLlama 4 405B
Llama 4 405B supports 2 modalities (text, vision) vs 1 for Llama 4 8B.
- OpennessTie
Both ship open weights, self-host either one.
On balance Llama 4 405B edges ahead, winning 2 of 5 categories against Llama 4 8B's 0. Neither model publishes per-token API pricing. Llama 4 405B accepts 256K tokens vs 128K, 2.0× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Llama 4 405B handles text, vision while Llama 4 8B handles text, which can be the deciding factor before you even look at benchmarks. Both ship open weights, self-host either one.
Both shipped within roughly a month of each other in 2025, so they share the same generation of training data and tooling. Llama 4 405B is usually picked for open source llm and fine tuning workloads, while Llama 4 8B sees more deployments in local llm and on device. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Llama 4 405B | Llama 4 8B |
|---|---|---|
| Provider | Meta | Meta |
| Released | Apr 2025 | Apr 2025 |
| Modalities | text, vision | text |
| Context window | 256K tokens | 128K tokens |
| Max output | , | , |
| Input · 1M | Pricing not published | Pricing not published |
| Output · 1M | Pricing not published | Pricing not published |
| Knowledge cutoff | 2024-12 | , |
| Open weights | Yes (Llama 4 Community License) | Yes (Llama 4 Community License) |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day, vs ,
- Heavy usage, 1M in / 500k out per day, vs ,
- RAG workload, 5M in / 200k out per day, vs ,
Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Llama 4 405BPricing unavailable
- Llama 4 8BPricing unavailable
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
Llama 4 405B fits when…
- Strongest open-weight model at launch
- Multimodal (text + vision)
- Wide hosting availability
- Long-context tasks, handles 256K tokens vs 128K for Llama 4 8B.
- Multimodal needs covering vision.
Llama 4 8B fits when…
- Runs on consumer laptops
- Broad tooling support
- Apache-2-adjacent permissiveness for most uses
Consider Llama 4 70B
Meta's mid-tier Llama 4, the practical workhorse for self-hosted deployments.
Frequently asked
Is Llama 4 405B or Llama 4 8B cheaper?
Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.Which has the larger context window?
Llama 4 405B accepts 256K tokens vs 128K for Llama 4 8B.Is Llama 4 405B or Llama 4 8B better for coding?
Both Llama 4 405B and Llama 4 8B are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Both ship with open weights. Llama 4 405B is licensed under Llama 4 Community License; Llama 4 8B under Llama 4 Community License.When were Llama 4 405B and Llama 4 8B released?
Llama 4 405B was released by Meta on 2025-04-05. Llama 4 8B was released by Meta on 2025-04-05.
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