Grok 4.5 API pricing
Published on-demand rates for xAI's xai/grok-4.5, captured 2026-08-10 from public pricing data and committed to our archive. Context window 500k tokens; first observed in our archive 2026-07-13.
| Meter | USD per 1M tokens |
|---|---|
| Input | $2.00 |
| Output | $6.00 |
| Cached input | $0.500 |
Standard on-demand rates. Excludes batch endpoints and negotiated pricing; confirm on xAI's pricing page before committing.
What it costs on a real workload
The four frozen profiles the LLMPrice indices price, per 1M tokens processed, at the rates above. Where no cache-read rate is published, the whole input bills at the standard rate.
| Profile | In / out mix | Cached share | Cost |
|---|---|---|---|
| Retrieval | 800k / 200k | 70% | $1.96 |
| Chat | 500k / 500k | 30% | $3.77 |
| Content | 200k / 800k | 20% | $5.14 |
| Agent | 900k / 100k | 85% | $1.25 |
Profile definitions are frozen and published on the methodology page. Compare every model on these profiles →
Observed rate history
No repricing observed since this model entered our archive on 2026-07-13. When a rate moves, the change appears here and on the sitewide ticker.
Priced near this one
The models closest to Grok 4.5 on a retrieval workload, cheaper and more expensive alike. We publish no quality score, so this is what they cost and nothing more.
| Model | Provider | Input | Output | vs Grok 4.5 |
|---|---|---|---|---|
| Gemini 3.6 Flash | $1.50 | $7.50 | 1% less | |
| Sonar Reasoning | Perplexity | $1.00 | $5.00 | 8% less |
| Gemini 3.5 Flash | $1.50 | $9.00 | 14% more | |
| Gemini 2.5 Pro | $1.25 | $10.00 | 21% more |
Compared on the retrieval profile: 800k input, 200k output, 70% of input cached where the model offers a cache rate.
No affiliate or referral arrangements: the console link carries no parameters and nothing on this page is paid placement. Grok 4.5 is a trademark of its owner; LLMPrice.io is independent and unaffiliated.