How much does xAI API cost?
As of Oct 16, 2026, xAI API lists Input ($2), Output ($6), STS ($0.08), TTS ($15), STT (Batch) ($0.10), and STT (Streaming) ($0.20).
Model APIs · xAI
xAI API
API model list and token rates published in the xAI docs.
Current plans
Captured Oct 16, 2026 · 8 currency amounts
| Plan | Price text | Billing |
|---|---|---|
| Input | $2.00 / 1M tokens | / 1M |
| Output | $6.00 / 1M tokens | / 1M |
| STS | $0.08 / min | — |
| TTS | $15.00 / 1M chars | / 1M |
| STT (Batch) | $0.10 / hour | — |
| STT (Streaming) | $0.20 / hour | — |
| Image · 1K / 2K Starting at | $0.02 / image | — |
| Video · 480p / 720p / 1080p Starting at | $0.02 / sec | — |
Lines taken from the page
- Input $2.00 / 1M tokens
- Output $6.00 / 1M tokens
- STS $0.08 / min
- TTS $15.00 / 1M chars
- STT (Batch) $0.10 / hour
- STT (Streaming) $0.20 / hour
- Image · 1K / 2K Starting at $0.02 / image
- Video · 480p / 720p / 1080p Starting at $0.02 / sec
Questions people ask
Is there a free xAI API plan?
No $0 plan was in the Oct 16, 2026 capture.
When did xAI API last change its price?
No cited xAI API price change is in the log.
Price history
No dated pricing change for xAI API is in the seed log. That is not a claim that the price never moved. The current extract is from Oct 16, 2026.
Alternatives
Three other model apis tools on this desk. The placeholder affiliate link is labeled because AI Price Watch has no commercial relationship with these vendors.
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<a href="https://ai-price-watch.pages.dev/tool/xai-api/"><img src="https://ai-price-watch.pages.dev/badge/xai-api.svg" alt="Price tracked by AI Price Watch · xAI API from $0.02/mo"></a>