Grok 4.3 charges $1.25 per 1M input tokens and $2.50 per 1M output tokens (cached input: $0.20/M). Real bills depend on your input/output split — the tables below price Grok 4.3 at 1K–1M tokens across common workload shapes. Verified Aug 16, 2026
Cost by token volume
| Volume | Input-heavy (90/10) | Balanced (70/30) | Output-heavy (30/70) | All input | All output |
|---|---|---|---|---|---|
| 1,000 tokens | $0.001375 | $0.001625 | $0.002125 | $0.00125 | $0.0025 |
| 10,000 tokens | $0.0138 | $0.0163 | $0.0213 | $0.0125 | $0.025 |
| 100,000 tokens | $0.1375 | $0.1625 | $0.2125 | $0.125 | $0.25 |
| 1 million tokens | $1.375 | $1.625 | $2.125 | $1.25 | $2.50 |
Uncached. Volume links open interactive pages with adjustable splits.
Prompt caching impact
| Cached share of input | Chat request (4K in / 800 out) | Monthly @ 10K req/day | Savings / month |
|---|---|---|---|
| 0% | $0.007 | $2,100.00 | — |
| 50% | $0.0049 | $1,470.00 | −$630.00 |
| 75% | $0.00385 | $1,155.00 | −$945.00 |
Monthly projections
| Scale | Requests / day | Chat workload / month | Agentic workload / month* |
|---|---|---|---|
| 100 req/day | 3,000 | $14.70 | $79.35 |
| 1K req/day | 30,000 | $147.00 | $793.50 |
| 10K req/day | 300,000 | $1,470.00 | $7,935.00 |
| 100K req/day | 3,000,000 | $14,700.00 | $79,350.00 |
Chat: 4K in / 800 out, 50% cached. *Agentic: 40K in / 1.5K out, 65% cached. Model your exact mix in the monthly cost calculator.
FAQ
1M purely input tokens cost $1.25; 1M purely output tokens cost $2.50. A typical mixed workload lands in between — see the volume table for exact splits.
A chat-style request (4,000 input + 800 output) costs about $0.0049 with 50% cached input, or $0.007 without caching.
At 1,000 requests/day of a chat workload (4K in / 800 out, 50% cached): $147.00/month. At 10,000 requests/day: $1,470.00/month. Model your exact mix with the monthly cost calculator.