Grok 4.5 pricing
Grok 4.5 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens as of September 2026. Tracked daily since 26 July 2026 across 47 snapshots.
Current rates
- Input: $2.00 per 1M tokens
- Output: $6.00 per 1M tokens
- Cached input: $0.30 per 1M tokens
- Context window: 500,000 tokens
- Above 200,000 tokens the rate changes to $4.00 input / $12.00 output
Recorded changes
| Date | Field | From | To |
|---|---|---|---|
| 6 Sep 2026 | status | sota | active |
Cheaper alternatives to Grok 4.5
Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.
| Model | Input / 1M | Output / 1M | Cheaper by |
|---|---|---|---|
| GPT-5.6 Luna | $1.00 | $6.00 | 25% |
| Muse Spark 1.3 | $1.25 | $4.25 | 33% |
| Claude Haiku 4.5 | $1.00 | $5.00 | 33% |
| Kimi K2.6 | $0.95 | $4.00 | 43% |
| Grok 4.3 | $1.25 | $2.50 | 48% |