vertex_ai xai/grok-4.1-fast-non-reasoning (xai/grok-4.1-fast-non-reasoning)
vertex_ai xai/grok-4.1-fast-non-reasoning costs USD 0.20 per 1M input tokens and USD 0.50 per 1M output tokens (community cross-check, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json), verified 2026-10-25 05:07 UTC.
Last verified 2026-10-25T05:07:30+00:00 · Source: https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json (community cross-check, waak source litellm)
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 0.20 / 1M tokens
- Output
- USD 0.50 / 1M tokens
- Cached input
- USD 0.05 / 1M
- This price since
- 2026-05-03T17:03:53+00:00
- FX used
- 1 EUR = 1.1702 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 128,000
- Max output
- 128,000
- Mode
- chat
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-05-03T17:03:53+00:00
- SKU id
llm/vertex_ai/xai/grok-4.1-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/abacus/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/azure-cognitive-services/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/azure/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/frogbot/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/google-vertex/xai/grok-4.1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/helicone/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | differs differs by -0.0% | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/jiekou/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.19 | 0.475 | differs differs by -5.0% | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/llmgateway-providers/azure-ai-foundry/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/llmgateway/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/modelsdev/perplexity-agent/xai/grok-4-1-fast-non-reasoning | modelsdev (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:52:52+00:00 |
| llm/azure_ai/grok-4-1-fast-non-reasoning | litellm (community cross-check) | 0.20 | 0.50 | agrees | 2026-10-25T05:07:30+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-05-03T17:03:53+00:00 | USD 0.20 | 0.20 | 0.1709 | 0.50 | #202 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-09-08T19:28:04+00:00 between 2026-09-07 and 2026-09-08 |
Spec change Context window (tokens) | 2000000.0 → 128000.0 |
| 2026-05-03T17:03:53+00:00 between 2026-04-25 and 2026-05-03 |
New SKU | 0.2 USD |
API: /v1/skus/llm/vertex_ai/xai/grok-4.1-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). vertex_ai xai/grok-4.1-fast-non-reasoning [data as of 2026-10-25]. https://infrarabbit.com/llm/vertex_ai/xai/grok-4.1-fast-non-reasoning (accessed 2026-10-25). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_vertex_ai_xai_grok_4_1_fast_non_reasoning_2026,
author = {{InfraRabbit}},
title = {vertex_ai xai/grok-4.1-fast-non-reasoning},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/vertex_ai/xai/grok-4.1-fast-non-reasoning}},
note = {Data as of 2026-10-25; accessed 2026-10-25; list prices, not transacted prices; CC BY 4.0}
}