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Grok 4.3 API price
xai/grok-4.3
The cheapest Grok 4.3 API is $1.25/M input at LiteLLM index (community) - all 4 providers compared below, per 1M tokens.
MidxAI1M context4 sellers
Input
$1.25
per 1M tokens · LiteLLM index (community)
up to $2.50
Output
$2.50
per 1M tokens · LiteLLM index (community)
up to $5.00
Where to buy it
Cheapest Grok 4.3 API providers compared - 4 sellers, from $1.25/M.
| Provider | Input $/M | Output $/M | Cached in | Uptime |
|---|---|---|---|---|
| LiteLLM index (community) | 1.25cheapest | 2.50 | 0.200 | - |
| > 200k tokens ctx | 2.50 | 5.00 | 0.400 | - |
| OrcaRouter (aggregator) | 1.25 | 2.50 | - | - |
| xAI (via OpenRouter) | 1.25 | 2.50 | 0.200 | 100% |
| TokenRouter (aggregator) | 1.25 | 2.50 | 0.200 | - |
2.0× between the cheapest and the dearest of 4 sellers.
Against its tier
- This model$3.75
- Cheapest · Nemotron 3 Super 120B A12B$0.485
- Tier median · Grok 4.3 Latest$3.75
- Dearest · GPT 5.5 Cyber$87.50
#16 of 32 mid · cheaper than 52%
Details
- Context window
- 1M1,000,000 tokens
- Developer
- xAI
- Intelligence
- 37.9high
- Sellers
- 42.0× spread
- Cached input
- $0.20where the source publishes one
- Cheapest at
- LiteLLM index (community)
- Combined
- $3.75in + out per 1M
- Last checked
- 2026-08-28
- Availability
- 99.98%median of 4 OpenRouter endpoints, last 30 min