Grok 4.3 API pricing
Published on-demand rates for xAI's xai/grok-4.3, captured 2026-08-10 from public pricing data and committed to our archive. Context window 1M tokens; first observed in our archive 2026-05-11.
| Meter | USD per 1M tokens |
|---|---|
| Input | $1.25 |
| Output | $2.50 |
| Cached input | $0.200 |
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% | $0.912 |
| Chat | 500k / 500k | 30% | $1.72 |
| Content | 200k / 800k | 20% | $2.21 |
| Agent | 900k / 100k | 85% | $0.572 |
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 2026-05-11. When a rate moves, the change appears here and on the sitewide ticker.
Priced near this one
The models closest to Grok 4.3 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 4.3 |
|---|---|---|---|---|
| Sonar | Perplexity | $1.00 | $1.00 | 10% more |
| Grok 3 Mini Fast | xAI | $0.600 | $4.00 | 13% more |
| Mistral Medium | Mistral | $0.400 | $2.00 | 21% less |
| GPT 5.4 Mini | OpenAI | $0.750 | $4.50 | 23% 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 4.3 is a trademark of its owner; LLMPrice.io is independent and unaffiliated.