Grok 3
xAI's previous frontier model with strong reasoning and real-time web access via the Grok platform.
Pricing
Input$3 / 1M
Output$15 / 1M
Cost bandPremium
Free tierLimited access via X Premium.
Limits
Context window131k
Max output16,384
Knowledge cutoffJan 2025
DeploymentxAI API
OpenAI-compatible APIYes
ModalitiesText, Image input
Where it fits
Best forReasoning, coding, and research tasks where web grounding or xAI's infrastructure is preferred.
Business fitSolid pick before Grok 4; still competitive on most benchmarks.
Capabilities
Function callingVisionReasoning mode
Benchmark scores
Composite85 / 100
Coding86 / 100 (SWE-bench Verified)
Reasoning88 / 100 (GPQA Diamond)
Long context80 / 100 (RULER 128K)
Vision76 / 100 (MMMU)
Instruction following86 / 100 (IFEval)
Editorial aggregate of published benchmark results as of Mar 1, 2025. These are not independent measurements run by this site.
Change history
- Jul 19, 2026DeprecatedGrok 3 retired No longer listed on xAI's model and pricing pages as of Jul 19, 2026. Current xAI lineup: Grok 4.5, 4.3, and 4.20. xAI models and pricing
Data
Last checkedJan 10, 2026
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