Comparisons

Grok 4.3 vs Meta Llama 3.1 405B Instruct

Grok 4.3 is not currently in the Allocate serving catalog, so this page lists no prices for it: every price on this site comes from the live catalog.

Grok 4.3 Meta Llama 3.1 405B Instruct
LabxAIMeta
AccessNot served on AllocateOpen weights
Context windown/a4K tokens
List price, inputNot served$3.5 / M tokens
List price, outputNot served$3.5 / M tokens
Cached inputn/an/a
LicenseProprietary APILlama community
Fine-tunableNoYes

Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.

Choose Grok 4.3 for

  • Freshness-sensitive answers
  • Fast reasoning turns
  • Research assistants
Grok 4.3 details

Choose Meta Llama 3.1 405B Instruct for

  • Open weights you can fine-tune and own
Meta Llama 3.1 405B Instruct details

Common questions

Which has the bigger context window?

Meta Llama 3.1 405B Instruct: 4,096 tokens (4K) against an unlisted window for Grok 4.3.

Can I fine-tune Grok 4.3 or Meta Llama 3.1 405B Instruct?

Meta Llama 3.1 405B Instruct publishes open weights (Llama community) and can be fine-tuned on your own data. Grok 4.3 is a closed model served over API; its weights are not available.

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Or don’t choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.