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Grok 4.3 API price
xai/grok-4.3
The cheapest Grok 4.3 API is $0.8125/M input at Cheaper Inference (discount marketplace) - all 5 providers compared below, per 1M tokens.
MidxAI1M context5 sellers
Input
$0.8125
per 1M tokens · Cheaper Inference (discount marketplace)
up to $2.50
Output
$1.625
per 1M tokens · Cheaper Inference (discount marketplace)
up to $5.00
Where to buy it
Cheapest Grok 4.3 API providers compared - 5 sellers, from $0.8125/M.
Cost calculator
| Provider | Input $/M | Output $/M | Cached in | Uptime | Your cost |
|---|---|---|---|---|---|
| Cheaper Inference (discount marketplace)35% off | 0.812cheapest | 1.62 | 0.130 | - | |
| LiteLLM index (community) | 1.25 | 2.50 | 0.200 | - | |
| > 200k tokens ctx | 2.50 | 5.00 | 0.400 | - | |
| Batch | 1.00 | 2.00 | 0.160 | - | |
| OrcaRouter (aggregator) | 1.25 | 2.50 | - | - | |
| xAI (via OpenRouter) (zdr) | 1.25 | 2.50 | 0.200 | 96.7% | |
| Priority | 2.50 | 5.00 | 0.400 | - | |
| TokenRouter (aggregator) | 1.25 | 2.50 | 0.200 | - |
3.1× between the cheapest and the dearest of 5 sellers.
Against its tier
- This model$2.4375
- Cheapest · Nemotron 3.5 Content Safety$0.40
- Tier median · GLM 5.1$4.002
- Dearest · GPT 5.5 Cyber$87.50
#10 of 35 mid · cheaper than 74%
Details
- Context window
- 1M1,000,000 tokens
- Developer
- xAI
- Intelligence
- 24.9 High
- Sellers
- 53.1× spread
- Cached input
- $0.13where the source publishes one
- Cheapest at
- Cheaper Inference (discount marketplace)
- Combined
- $2.4375in + out per 1M
- Last checked
- 2026-10-12
- Availability
- 100.00%median of 3 OpenRouter endpoints, last 30 min