AIモデルインテリジェンス

Grok 4.1 Fast (Non-Reasoning)

xai/grok-4-1-fast-non-reasoning

提供: xAI · ファミリー: grok · リリース 2025-11-19 · 知識カットオフ: 2025-07

$0.200
入力 / 100万トークン
$0.500
出力 / 100万トークン
2M
コンテキスト長
30K
最大出力

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

機能一覧

ツール呼び出し推論? 構造化出力添付オープンウェイト温度制御
モダリティ: 入力 text, image · 出力 text

Model fit scores

0–100 · higher is better

These scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.

Coding70
  • Tool calling40/40
  • Structured output0/20
  • Reasoning0/10
  • Context window (100K → 1M)20/20
  • Provider availability10/10
Agents60
  • Tool calling35/35
  • Structured output0/25
  • Reasoning0/15
  • Output token limit15/15
  • Provider availability10/10
JSON / structured output49
  • Structured output / JSON mode0/50
  • Tool calling20/20
  • Temperature control10/10
  • Price-friendly for high-volume19/20
Cost efficiency71
  • Headline price (log-scaled)66/95
  • Has prompt-cache pricing5/5
Long context100
  • Context window (100K → 2M)90/90
  • Has published price for full window10/10
Vision100
  • Accepts image input50/50
  • Context window (10K → 1M)30/30
  • Has published price10/10
  • Provider availability10/10
Production-readiness94
  • Number of independent providers40/40
  • Has published per-token price20/20
  • Context window ≥ 8K15/15
  • No data inconsistencies across providers4/10
  • Official model (not derivative)15/15

Cost Efficiency Index

Open full calculator →

Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.

ScenarioCostAssumption
RAG answer
per 1,000 RAG answers
$1.25
< $0.01 per request
5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot.
Support ticket triage
per 10,000 tickets
$2.50
< $0.01 per request
1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support.
Data extraction
per 1,000 documents
$0.65
< $0.01 per request
2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines.
Code review
per 1,000 PRs
$2.10
< $0.01 per request
8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads.
Agent step
per 1,000 steps
$2.70
< $0.01 per request
12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step.

料金詳細

推奨料金 (提供元): xai · grok-4-1-fast-non-reasoning

$0.200
入力
$0.500
出力
$0.050
キャッシュ読み取り

最安プロバイダー: jiekou · $0.180 入力 + $0.450 出力

13 か所で利用可能

プロバイダープロバイダーモデルID入力 / 1M出力 / 1Mコンテキストリリース日
xAI
xai
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-19
Azure
azure
grok-4-1-fast-non-reasoning$0.200$0.500128K2025-06-27
Vercel AI Gateway
vercel
xai/grok-4.1-fast-non-reasoning$0.200$0.5002M2025-07-09
302.AI
302ai
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-20
Abacus
abacus
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-17
Perplexity Agent
perplexity-agent
xai/grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-19
Jiekou.AI
jiekou
grok-4-1-fast-non-reasoning$0.180$0.4502M2026-01
ZenMux
zenmux
x-ai/grok-4.1-fast-non-reasoning$0.200$0.5002M2025-11-20
Qiniu
qiniu-ai
x-ai/grok-4.1-fast-non-reasoningUnknownUnknown2M2025-12-19
Poe
poe
xai/grok-4.1-fast-non-reasoningUnknownUnknown2M2025-11-19
Helicone
helicone
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-17
FrogBot
frogbot
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-25
LLM Gateway
llmgateway
grok-4-1-fast-non-reasoning$0.200$0.5002M2025-11-19

プロバイダー間でデータに差異

  • context_window varies: 128000, 2000000
  • release_date varies (span 188d): 2025-06-27, 2025-07-09, 2025-11-17, 2025-11-19, 2025-11-20, 2025-11-25, 2025-12-19, 2026-01
  • modalities varies across offerings

プロバイダーごとに本モデルの値が異なります。上部の「主要数値」は代表的プロバイダーを使用しています。詳細は表をご確認ください。

Frequently asked questions

How much does Grok 4.1 Fast (Non-Reasoning) cost?

Grok 4.1 Fast (Non-Reasoning) costs $0.200 per 1M input tokens and $0.500 per 1M output tokens, sourced from xai. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.

What is the context window of Grok 4.1 Fast (Non-Reasoning)?

Grok 4.1 Fast (Non-Reasoning) has a context window of 2M tokens, with a max output of 30K tokens per reply. This is the total combined size of prompt + completion.

Does Grok 4.1 Fast (Non-Reasoning) support tool calling?

Yes. Grok 4.1 Fast (Non-Reasoning) supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.

Does Grok 4.1 Fast (Non-Reasoning) support structured output / JSON mode?

Support for structured output / JSON-schema-constrained decoding is not reported for Grok 4.1 Fast (Non-Reasoning) in our data source. Verify with xAI's official documentation before relying on it in production.

Can Grok 4.1 Fast (Non-Reasoning) accept image input?

Yes. Grok 4.1 Fast (Non-Reasoning) accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check xAI's docs for the exact rule.

Is Grok 4.1 Fast (Non-Reasoning) open-weight?

No. Grok 4.1 Fast (Non-Reasoning) is a proprietary model — only xAI (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.

What are the best alternatives to Grok 4.1 Fast (Non-Reasoning)?

If Grok 4.1 Fast (Non-Reasoning) doesn't fit, consider Grok Code Fast 1, Grok 4, Grok 4 Fast (Non-Reasoning). Each one targets the same use case — see the Related links below for direct head-to-head pages.

Where does this data come from?

All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

More xAI models

最終更新:

Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.