AllocateCogito v2.1 671B vs Grok 4.3
Cogito v2.1 671B and Grok 4.3 are not currently in the Allocate serving catalog, so this page lists no prices for them: every price on this site comes from the live catalog.
C Cogito v2.1 671B
Grok 4.3
Grok 4.3LabDeep CogitoxAI
AccessNot served on AllocateNot served on Allocate
Context windown/an/a
List price, inputNot servedNot served
List price, outputNot servedNot served
Cached inputn/an/a
LicenseNot listedProprietary API
Fine-tunableYesNo
Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.
Choose Cogito v2.1 671B for
- Long reasoning chains
- Open-weight agents
- Self-hosted reasoning
Choose Grok 4.3 for
- Freshness-sensitive answers
- Fast reasoning turns
- Research assistants
Common questions
Can I fine-tune Cogito v2.1 671B or Grok 4.3?
Cogito v2.1 671B publishes open weights (Not listed) and can be fine-tuned on your own data. Grok 4.3 is a closed model served over API; its weights are not available.
Related comparisons
Cogito v2.1 671B vs OpenAI GPT-OSS 20BGrok 4.3 vs OpenAI GPT-OSS 20BCogito v2.1 671B vs OpenAI GPT-OSS 120BGrok 4.3 vs OpenAI GPT-OSS 120BCogito v2.1 671B vs Llama 4 Scout Instruct (17Bx16E)Grok 4.3 vs Llama 4 Scout Instruct (17Bx16E)
Run the numbers on your workload
Or do not 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.