Grok 4.3 — pricing & specs
Grok 4.3 is a balanced model from xAI, at capability tier 5 of 8. Live $/M-token pricing and specs from the Mintok catalog, as of 2026-08-09.
$/M-token pricing
as of 2026-08-09 · xAIWhat Grok 4.3 costs in practice
At $2.50/M output tokens, Grok 4.3 is the 3rd-cheapest of 9 priced tier-5 models in the Mintok catalog — about 0% below the tier median of $2.50/M.
| Scenario | Est. cost |
|---|---|
| 1M input + 1M output tokens | $3.75 |
| A 10K-token request (8K in / 2K out) | $0.015 |
| 1,000 agent runs (~2K in / 500 out each) | $3.75 |
| 1M-token RAG chat session (900K cached in / 100K out) | $0.430 |
Estimated from list price (as of 2026-08-09) 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
- Capability tier
- 5 / 8
- Size class
- BALANCED
- Category
- GENERAL
- Context window
- 1,048,576 tokens
- Licensing
- Proprietary
Alternatives at tier 5
Same capability tier, sorted by output price — the cheaper-capable options.
- DeepSeek V3DeepSeek$0.80/M out
- Mistral Large 2Mistral$1.50/M out
- DeepSeek R1DeepSeek$2.50/M out
- Gemini 2.5 FlashGoogle$2.50/M out
- o3OpenAI$8/M out
- GPT-4oOpenAI$10/M out
FAQ
How much does Grok 4.3 cost per token?
Grok 4.3 costs $1.25 per million input tokens and $2.50 per million output tokens (cached input $0.20/M), via xAI, as of 2026-08-09.
Is Grok 4.3 expensive?
At $2.50/M output tokens, Grok 4.3 is the 3rd-cheapest of 9 priced tier-5 models in the Mintok catalog — about 0% below the tier median of $2.50/M.
What does a typical request with Grok 4.3 cost?
At list price, a 10K-token request (8K in / 2K out) with Grok 4.3 costs about $0.015, and 1,000 agent runs (~2K in / 500 out each) about $3.75.
What is Grok 4.3's context window?
Grok 4.3 supports a 1,048,576-token context window.
What capability tier is Grok 4.3?
Grok 4.3 sits at capability tier 5 of 8 on the Mintok scale (BALANCED size class).
Is Grok 4.3 open-source or proprietary?
Grok 4.3 is a proprietary model from xAI, accessed via API.
Put Grok 4.3 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.