modelsdev Grok 4 Fast Non-Reasoning (aimlapi/x-ai/grok-4-fast-non-reasoning)
modelsdev Grok 4 Fast Non-Reasoning costs USD 1.25 per 1M input tokens and USD 2.50 per 1M output tokens (community cross-check, https://models.dev/), verified 2026-10-24 05:42 UTC.
Last verified 2026-10-24T05:42:41+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 1.25 / 1M tokens
- Output
- USD 2.50 / 1M tokens
- Cached input
- USD 0.20 / 1M
- This price since
- 2026-10-22T17:15:23+00:00
- FX used
- 1 EUR = 1.1234 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 2,000,000
- Max output
- 1,999,000
- Open weights
- no
- Reasoning
- no
- Source kind
- community
- Vendor
- aimlapi
- 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/aimlapi/x-ai/grok-4-fast-non-reasoning
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/302ai/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/abacus/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/edenai/xai/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/helicone/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/jiekou/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.18 | 0.45 | differs differs by -85.6% | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/poe/xai/grok-4-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T05:42:41+00:00 |
| llm/azure_ai/grok-4-fast-non-reasoning | litellm (community cross-check) | 0.20 | 0.50 | differs differs by -84.0% | 2026-10-24T04:57:20+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-22T17:15:23+00:00 | USD 1.25 | 1.25 | 1.1127 | 2.50 | #725 |
| 2026-10-19T22:42:32+00:00 | USD 1.62 | 1.625 | 1.4477 | 3.25 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-22T17:15:23+00:00 between 2026-10-22 and 2026-10-22 |
Price change input, per 1M tokens | 1.625 → 1.25 USD (-23.1%) |
API: /v1/skus/llm/modelsdev/aimlapi/x-ai/grok-4-fast-non-reasoning
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 Fast Non-Reasoning [data as of 2026-10-24]. https://infrarabbit.com/llm/modelsdev/aimlapi/x-ai/grok-4-fast-non-reasoning (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_aimlapi_x_ai_grok_4_fast_non_reasoning_2026,
author = {{InfraRabbit}},
title = {modelsdev Grok 4 Fast Non-Reasoning},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/aimlapi/x-ai/grok-4-fast-non-reasoning}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}