ModelRefs / Grok 3 by xAI — Benchmarks, Pricing & Review (2026)

Grok 3 by xAI — Benchmarks, Pricing & Review (2026)

Grok 3 (xAI): Grok 3 by xAI.. 131K context. Pricing: from $0.00300/1K in. Specs, benchmarks and code examples.

What this reference supports

Grok 3 is an xAI model generation announced for language, reasoning, mathematics, coding, and agent-oriented tasks. It belongs to a rapidly changing hosted catalog, so current API access, model identifiers, tool support, data terms, and successor status require direct verification.

Grok 3 is attributed to xAI in ModelRefs' canonical registry. Tracked modalities: Text, Image support depends on the documented variant. Primary use cases considered on ModelRefs: Hosted reasoning, coding, and language experiments; Tool-using and research-oriented prototypes.

This ModelRefs profile is Provisional and pending review — decision-support material, not a final or universal ranking. Confirm current behavior, access, pricing, limits, licensing, and lifecycle in xAI's own documentation, and evaluate Grok 3 on representative workloads before implementation.

Benchmark & Evaluation

ModelRefs does not yet hold qualifying sourced benchmark evidence for Grok 3, so its benchmark coverage is incomplete. Treat any benchmark discussion as provisional and confirm results on representative workloads before selecting it.

  • Provider-reported benchmark results should be interpreted with methodology, dataset, prompting, tool, sampling, and recency limitations in mind.
  • The release announcement contains provider-reported evaluations; ModelRefs does not treat them as a reproducible ranking.

Implementation considerations

  • Resolve the family name to an exact current API model identifier.
  • Test tool use, latency, structured output, safety behavior, and migration risk on representative tasks.
  • Hosted access depends on current xAI products and API catalog.
  • No self-managed weights or stable regional coverage are assumed without release-specific documentation.

Risks and limitations

  • Outputs can be incorrect or unsuitable for the intended task; use task-specific evaluation, grounding, and human review where consequences are material.
  • API availability, model aliases, rate limits, data controls, regions, and prices are mutable and differ by product channel.

Source coverage

This reference is Provisional. Model behavior, access, pricing, limits, and lifecycle can change; verify the linked provider documentation and run task-specific evaluations before implementation.

Known coverage gaps:

  • A Grok 3-specific system card is not attached.
  • Independent reliability, region, and lifecycle evidence is incomplete.

Sources

Continue your research

Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Grok 3 by xAI — Benchmarks, Pricing & Review (2026).