modelsdev Grok 4.2 Fast (zenmux/x-ai/grok-4.2-fast)
modelsdev Grok 4.2 Fast costs USD 2.00 per 1M input tokens and USD 6.00 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-24 11:44 UTC.
Last verified 2026-10-24T11:44:01+00:00 · Source: https://models.dev/ (community cross-check, waak source modelsdev)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 2.00 / 1M tokens
- Output
- USD 6.00 / 1M tokens
- Cached input
- USD 0.20 / 1M
- This price since
- 2026-10-19T22:42:32+00:00
- FX used
- 1 EUR = 1.1225 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 2,000,000
- Max output
- 30,000
- Open weights
- no
- Reasoning
- no
- Source kind
- community
- Vendor
- zenmux
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-19T22:42:32+00:00
- SKU id
llm/modelsdev/zenmux/x-ai/grok-4.2-fast
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-19T22:42:32+00:00 | USD 2.00 | 2.00 | 1.7817 | 6.00 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
No changes recorded since first seen.
API: /v1/skus/llm/modelsdev/zenmux/x-ai/grok-4.2-fast
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev Grok 4.2 Fast [data as of 2026-10-24]. https://infrarabbit.com/llm/modelsdev/zenmux/x-ai/grok-4.2-fast (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_zenmux_x_ai_grok_4_2_fast_2026,
author = {{InfraRabbit}},
title = {modelsdev Grok 4.2 Fast},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/zenmux/x-ai/grok-4.2-fast}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}