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Grok 4.5 API price
xai/grok-4.5
The cheapest Grok 4.5 API is $2.00/M input at LiteLLM index (community) - all 4 providers compared below, per 1M tokens.
MidxAI500K context4 sellers
Input
$2.00
per 1M tokens · LiteLLM index (community)
up to $4.00
Output
$6.00
per 1M tokens · LiteLLM index (community)
up to $12.00
Where to buy it
Cheapest Grok 4.5 API providers compared - 4 sellers, from $2.00/M.
| Provider | Input $/M | Output $/M | Cached in | Uptime |
|---|---|---|---|---|
| LiteLLM index (community) | 2.00cheapest | 6.00 | 0.300 | - |
| > 200k tokens ctx | 4.00 | 12.00 | 0.600 | - |
| OrcaRouter (aggregator) | 2.00 | 6.00 | - | - |
| xAI (via OpenRouter) | 2.00 | 6.00 | 0.300 | 100% |
| TokenRouter (aggregator) | 2.00 | 6.00 | 0.500 | - |
2.0× between the cheapest and the dearest of 4 sellers.
Against its tier
- This model$8.00
- Cheapest · Nemotron 3 Super 120B A12B$0.485
- Tier median · Grok 4.3 Latest$3.75
- Dearest · GPT 5.5 Cyber$87.50
#24 of 32 mid · cheaper than 26%
Details
- Context window
- 500K500,000 tokens
- Developer
- xAI
- Intelligence
- 55.8high
- Sellers
- 42.0× spread
- Cached input
- $0.30where the source publishes one
- Cheapest at
- LiteLLM index (community)
- Combined
- $8.00in + out per 1M
- Last checked
- 2026-08-28
- Availability
- 99.93%median of 4 OpenRouter endpoints, last 30 min