Grok-3 — pricing & specs

Grok-3 is a flagship model from xAI, at capability tier 7 of 8. Live $/M-token pricing and specs from the Mintok catalog.

$/M-token pricing

Input
$3
per M tokens
Output
$15
per M tokens
Cached input
—
per M tokens

What Grok-3 costs in practice

At $15/M output tokens, Grok-3 is the 2nd-cheapest of 4 priced tier-7 models in the Mintok catalog — about 0% below the tier median of $15/M.

ScenarioEst. cost
1M input + 1M output tokens$18.00
A 10K-token request (8K in / 2K out)$0.054
1,000 agent runs (~2K in / 500 out each)$13.50
1M-token RAG chat session (900K cached in / 100K out)$4.20

Estimated from list price at the token mixes shown; your real cost depends on prompt/response length and cache hit-rate. Model your own volume →

Specifications

Vendor
xAI
Family
Grok-3
Capability tier
7 / 8
Size class
FLAGSHIP
Category
GENERAL
Parameters
2,000B total · 300B active (MoE)
Context window
131,072 tokens
Licensing
Proprietary

Carbon footprint (modeled)

Energy
1.17
kWh / M-token
Emissions
563
gCO₂ / M-token

Modeled decode on a reference NVIDIA Rubin Ultra VR300 at 50% MBU, batch 32, global-avg grid. Compare all models & grids →

Alternatives at tier 7

Same capability tier, sorted by output price — the cheaper-capable options.

FAQ

How much does Grok-3 cost per token?

Grok-3 costs $3 per million input tokens and $15 per million output tokens.

Is Grok-3 expensive?

At $15/M output tokens, Grok-3 is the 2nd-cheapest of 4 priced tier-7 models in the Mintok catalog — about 0% below the tier median of $15/M.

What does a typical request with Grok-3 cost?

At list price, a 10K-token request (8K in / 2K out) with Grok-3 costs about $0.054, and 1,000 agent runs (~2K in / 500 out each) about $13.50.

What is Grok-3's context window?

Grok-3 supports a 131,072-token context window.

What capability tier is Grok-3?

Grok-3 sits at capability tier 7 of 8 on the Mintok scale (FLAGSHIP size class).

Is Grok-3 open-source or proprietary?

Grok-3 is a proprietary model from xAI, accessed via API.

Put Grok-3 to work

Benchmark it on your prompts, or size a deployment and compare $/M-token against alternatives.

Pricing and specs are maintained by Mintok's catalog watchers from public sources. Not investment advice. Methodology.