xai grok-3-fast-beta (grok-3-fast-beta)
xai grok-3-fast-beta is no longer listed: it disappeared from https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json on 2026-09-22, so no current price is shown. Last verified 2026-09-21 23:30 UTC.
Not verified since 2026-09-21T23:30:58+00:00 (the source's last fetch failed or is older than the freshness window; status ok, last attempt 2026-10-24T10:58:26+00:00). Source: https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json (community cross-check, waak source litellm). No current price is shown because this SKU is not currently verified. The last archived observations stay in the history below, each with its date.
Delisted 2026-09-22T22:14:48+00:00: this SKU disappeared from the source. Its history stays.
Price
not verified since 2026-09-21T23:30:58+00:00
No current price is shown because this SKU is not currently verified. The last archived observations stay in the history below, each with its date.
Specification
- Context window (tokens)
- 131,072
- Max output
- 131,072
- Mode
- chat
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2025-04-12T15:20:04+00:00
- SKU id
llm/xai/grok-3-fast-beta
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-08-29T23:44:56+00:00 | USD 1.25 | 1.25 | 1.0736 | 2.50 | #273 |
| 2026-02-01T01:36:51+00:00 | USD 5.00 | 5.00 | 4.195 | 25.00 | #189 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-09-22T22:14:48+00:00 between 2026-09-21 and 2026-09-22 |
Delisted | was 1.25 USD |
| 2026-08-29T23:44:56+00:00 between 2026-08-28 and 2026-08-29 |
Price change input, per 1M tokens | 5 → 1.25 USD (-75.0%) |
| 2026-02-01T01:36:51+00:00 between 2026-01-24 and 2026-02-01 |
Price change cached input, per 1M tokens | – → 1.25 USD |
| 2025-04-12T15:20:04+00:00 between 2025-04-05 and 2025-04-12 |
New SKU | 5 USD |
API: /v1/skus/llm/xai/grok-3-fast-beta
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). xai grok-3-fast-beta [data as of 2026-09-21]. https://infrarabbit.com/llm/xai/grok-3-fast-beta (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_xai_grok_3_fast_beta_2026,
author = {{InfraRabbit}},
title = {xai grok-3-fast-beta},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/xai/grok-3-fast-beta}},
note = {Data as of 2026-09-21; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}