xAI · current

grok-4-fast-non-reasoning

grok-4-fast-non-reasoning is attributed to xAI in the catalog. It accepts text and image input and produces text output. Reported capabilities include tool calling.

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Report an error Model and price history

Modalities

Hosted provider token rates

$0.20 / $0.50

USD per 1M input / output tokens · Helicone

Context

Released

2025-12-18

Knowledge cutoff

Jun 2025

No recent lab-operated provider rate is available. Showing the third-party host with the lowest input rate + ¼ output rate. This is one offering, not an average; other providers, modalities, tiers, and fees may differ.

Where to use it

8 observed offerings · token prices in USD per million where available

Estimate your workload cost

AI/ML API

x-ai/grok-4-fast-non-reasoning

current

Input

$1.25

Output

$2.50

Cache

$0.20

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: No
Temperature: Yes

Recent price

Poe

xai/grok-4-fast-non-reasoning

deprecated

Input

$0.20

Output

$0.50

Cache

$0.05

Context

Max output

128K

Reasoning: No
Tool calling: Yes
Structured output: Unknown
Temperature: No

Not a current offering

Jiekou.AI

grok-4-fast-non-reasoning

deprecated

Input

$0.18

Output

$0.45

Cache

—

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: Yes
Temperature: Yes

Not a current offering

302.AI

grok-4-fast-non-reasoning

current

Input

$0.20

Output

$0.50

Cache

—

Context

Max output

30K

Reasoning: No
Tool calling: Yes
Structured output: Unknown
Temperature: Yes

Recent price

Helicone

grok-4-fast-non-reasoning

current

Input

$0.20

Output

$0.50

Cache

$0.05

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: Unknown
Temperature: Yes

Recent price

Abacus

grok-4-fast-non-reasoning

deprecated

Input

$0.20

Output

$0.50

Cache

—

Context

Max output

16K

Reasoning: No
Tool calling: Yes
Structured output: Unknown
Temperature: Yes

Not a current offering

Qiniu

x-ai/grok-4-fast-non-reasoning

deprecated

Input

—

Output

—

Cache

—

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: No
Temperature: Yes

Not a current offering

Eden AI

xai/grok-4-fast-non-reasoning

current

Input

$0.20

Output

$0.50

Cache

$0.05

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: No
Temperature: Yes

Recent price

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Provider / API ID	Status	Context	Max output	Input	Output	Cache read	Reasoning	Tools	Structured	Temperature
AI/ML API x-ai/grok-4-fast-non-reasoning	currentRecent price	2M	2M	$1.25	$2.50	$0.20	No	Yes	No	Yes
Poe xai/grok-4-fast-non-reasoning	deprecatedNot a current offering	2M	128K	$0.20	$0.50	$0.05	No	Yes	Unknown	No
Jiekou.AI grok-4-fast-non-reasoning	deprecatedNot a current offering	2M	2M	$0.18	$0.45	—	No	Yes	Yes	Yes
302.AI grok-4-fast-non-reasoning	currentRecent price	2M	30K	$0.20	$0.50	—	No	Yes	Unknown	Yes
Helicone grok-4-fast-non-reasoning	currentRecent price	2M	2M	$0.20	$0.50	$0.05	No	Yes	Unknown	Yes
Abacus grok-4-fast-non-reasoning	deprecatedNot a current offering	2M	16K	$0.20	$0.50	—	No	Yes	Unknown	Yes
Qiniu x-ai/grok-4-fast-non-reasoning	deprecatedNot a current offering	2M	2M	—	—	—	No	Yes	No	Yes
Eden AI xai/grok-4-fast-non-reasoning	currentRecent price	2M	2M	$0.20	$0.50	$0.05	No	Yes	No	Yes

Capabilities and limits

Input: text, image
Output: text
Max output: 30K
Weights: Closed (source-reported)
Release: 2025-12-18
Knowledge cutoff: Jun 2025
Family: grok

Tool calling · Vision

Provider-specific limits and support can differ.

Plan a model evaluation

Evaluate quality and latency on examples from your intended use before choosing a model.

Explore available evidence

Models to compare

Candidates match reported specifications; they are not tested replacements.

grok-4-1-fast-reasoningxAI · 2M contextCompare →grok-4-fast-reasoningxAI · 2M contextCompare →Grok 4.1 Fast (Non-Reasoning)xAI · 2M contextCompare →

Model and price history

Latest recorded change: price change · 2026-10-23

Model changes (2)

price change · 2026-10-23

{
  "before": {
    "input": "1.62500000",
    "output": "3.25000000",
    "provider": "AI/ML API"
  },
  "after": {
    "input": 1.25,
    "output": 2.5,
    "provider": "AI/ML API"
  }
}

source refresh · 2026-10-22

{
  "before": {
    "canonical_name": "Grok 4 Fast Non-Reasoning",
    "input_modalities": [
      "text",
      "image",
      "audio",
      "video"
    ],
    "max_output_tokens": 1999000,
    "knowledge_cutoff_reported": null
  },
  "after": {
    "canonical_name": "grok-4-fast-non-reasoning",
    "input_modalities": [
      "text",
      "image"
    ],
    "max_output_tokens": 30000,
    "knowledge_cutoff_reported": "2025-06"
  }
}

Price history (157 observations)

Date	Provider	Input / output
2026-11-02	302.AI	$0.20 / $0.50
2026-11-02	Abacus	$0.20 / $0.50
2026-11-02	Helicone	$0.20 / $0.50
2026-11-02	Poe	$0.20 / $0.50
2026-11-02	AI/ML API	$1.25 / $2.50
2026-11-02	Jiekou.AI	$0.18 / $0.45
2026-11-02	Eden AI	$0.20 / $0.50
2026-11-01	302.AI	$0.20 / $0.50
2026-11-01	Jiekou.AI	$0.18 / $0.45
2026-11-01	Abacus	$0.20 / $0.50
2026-11-01	Poe	$0.20 / $0.50
2026-11-01	Helicone	$0.20 / $0.50
2026-11-01	AI/ML API	$1.25 / $2.50
2026-11-01	Eden AI	$0.20 / $0.50
2026-10-31	Abacus	$0.20 / $0.50
2026-10-31	Helicone	$0.20 / $0.50
2026-10-31	Jiekou.AI	$0.18 / $0.45
2026-10-31	AI/ML API	$1.25 / $2.50
2026-10-31	302.AI	$0.20 / $0.50
2026-10-31	Poe	$0.20 / $0.50
2026-10-31	Eden AI	$0.20 / $0.50
2026-10-30	Poe	$0.20 / $0.50
2026-10-30	302.AI	$0.20 / $0.50
2026-10-30	Jiekou.AI	$0.18 / $0.45
2026-10-30	Abacus	$0.20 / $0.50
2026-10-30	AI/ML API	$1.25 / $2.50
2026-10-30	Helicone	$0.20 / $0.50
2026-10-30	Eden AI	$0.20 / $0.50
2026-10-29	Poe	$0.20 / $0.50
2026-10-29	Abacus	$0.20 / $0.50
2026-10-29	Helicone	$0.20 / $0.50
2026-10-29	Jiekou.AI	$0.18 / $0.45
2026-10-29	302.AI	$0.20 / $0.50
2026-10-29	AI/ML API	$1.25 / $2.50
2026-10-29	Eden AI	$0.20 / $0.50
2026-10-28	Helicone	$0.20 / $0.50
2026-10-28	Poe	$0.20 / $0.50
2026-10-28	AI/ML API	$1.25 / $2.50
2026-10-28	Jiekou.AI	$0.18 / $0.45
2026-10-28	302.AI	$0.20 / $0.50
2026-10-28	Abacus	$0.20 / $0.50
2026-10-28	Eden AI	$0.20 / $0.50
2026-10-27	302.AI	$0.20 / $0.50
2026-10-27	AI/ML API	$1.25 / $2.50
2026-10-27	Helicone	$0.20 / $0.50
2026-10-27	Jiekou.AI	$0.18 / $0.45
2026-10-27	Poe	$0.20 / $0.50
2026-10-27	Abacus	$0.20 / $0.50
2026-10-27	Eden AI	$0.20 / $0.50
2026-10-27	Helicone	$0.20 / $0.50
2026-10-27	Poe	$0.20 / $0.50
2026-10-27	AI/ML API	$1.25 / $2.50
2026-10-27	302.AI	$0.20 / $0.50
2026-10-27	Abacus	$0.20 / $0.50
2026-10-27	Jiekou.AI	$0.18 / $0.45
2026-10-27	Eden AI	$0.20 / $0.50
2026-10-27	AI/ML API	$1.25 / $2.50
2026-10-27	Poe	$0.20 / $0.50
2026-10-27	302.AI	$0.20 / $0.50
2026-10-27	Helicone	$0.20 / $0.50
2026-10-27	Jiekou.AI	$0.18 / $0.45
2026-10-27	Abacus	$0.20 / $0.50
2026-10-27	Eden AI	$0.20 / $0.50
2026-10-27	Helicone	$0.20 / $0.50
2026-10-27	Jiekou.AI	$0.18 / $0.45
2026-10-27	Abacus	$0.20 / $0.50
2026-10-27	Poe	$0.20 / $0.50
2026-10-27	302.AI	$0.20 / $0.50
2026-10-27	AI/ML API	$1.25 / $2.50
2026-10-27	Eden AI	$0.20 / $0.50
2026-10-26	AI/ML API	$1.25 / $2.50
2026-10-26	Jiekou.AI	$0.18 / $0.45
2026-10-26	302.AI	$0.20 / $0.50
2026-10-26	Poe	$0.20 / $0.50
2026-10-26	Helicone	$0.20 / $0.50
2026-10-26	Abacus	$0.20 / $0.50
2026-10-26	Eden AI	$0.20 / $0.50
2026-10-25	302.AI	$0.20 / $0.50
2026-10-25	Helicone	$0.20 / $0.50
2026-10-25	Abacus	$0.20 / $0.50
2026-10-25	Jiekou.AI	$0.18 / $0.45
2026-10-25	AI/ML API	$1.25 / $2.50
2026-10-25	Poe	$0.20 / $0.50
2026-10-25	Eden AI	$0.20 / $0.50
2026-10-24	302.AI	$0.20 / $0.50
2026-10-24	Jiekou.AI	$0.18 / $0.45
2026-10-24	AI/ML API	$1.25 / $2.50
2026-10-24	Abacus	$0.20 / $0.50
2026-10-24	Helicone	$0.20 / $0.50
2026-10-24	Poe	$0.20 / $0.50
2026-10-24	Eden AI	$0.20 / $0.50
2026-10-24	302.AI	$0.20 / $0.50
2026-10-24	Helicone	$0.20 / $0.50
2026-10-24	Abacus	$0.20 / $0.50
2026-10-24	Jiekou.AI	$0.18 / $0.45
2026-10-24	AI/ML API	$1.25 / $2.50
2026-10-24	Poe	$0.20 / $0.50
2026-10-24	Eden AI	$0.20 / $0.50
2026-10-24	AI/ML API	$1.25 / $2.50
2026-10-24	Poe	$0.20 / $0.50
2026-10-24	302.AI	$0.20 / $0.50
2026-10-24	Abacus	$0.20 / $0.50
2026-10-24	Jiekou.AI	$0.18 / $0.45
2026-10-24	Helicone	$0.20 / $0.50
2026-10-24	Eden AI	$0.20 / $0.50
2026-10-23	302.AI	$0.20 / $0.50
2026-10-23	Jiekou.AI	$0.18 / $0.45
2026-10-23	AI/ML API	$1.25 / $2.50
2026-10-23	Helicone	$0.20 / $0.50
2026-10-23	Poe	$0.20 / $0.50
2026-10-23	Abacus	$0.20 / $0.50
2026-10-23	Eden AI	$0.20 / $0.50
2026-10-23	Jiekou.AI	$0.18 / $0.45
2026-10-23	Abacus	$0.20 / $0.50
2026-10-23	Helicone	$0.20 / $0.50
2026-10-23	302.AI	$0.20 / $0.50
2026-10-23	Poe	$0.20 / $0.50
2026-10-23	AI/ML API	$1.25 / $2.50
2026-10-23	Eden AI	$0.20 / $0.50
2026-10-23	302.AI	$0.20 / $0.50
2026-10-23	Abacus	$0.20 / $0.50
2026-10-23	Poe	$0.20 / $0.50
2026-10-23	Helicone	$0.20 / $0.50
2026-10-23	AI/ML API	$1.25 / $2.50
2026-10-23	Jiekou.AI	$0.18 / $0.45
2026-10-23	Eden AI	$0.20 / $0.50
2026-10-23	Jiekou.AI	$0.18 / $0.45
2026-10-23	AI/ML API	$1.25 / $2.50
2026-10-23	Helicone	$0.20 / $0.50
2026-10-23	Poe	$0.20 / $0.50
2026-10-23	Abacus	$0.20 / $0.50
2026-10-23	302.AI	$0.20 / $0.50
2026-10-23	Eden AI	$0.20 / $0.50
2026-10-23	Helicone	$0.20 / $0.50
2026-10-23	Poe	$0.20 / $0.50
2026-10-23	Abacus	$0.20 / $0.50
2026-10-23	302.AI	$0.20 / $0.50
2026-10-23	AI/ML API	$1.25 / $2.50
2026-10-23	Jiekou.AI	$0.18 / $0.45
2026-10-23	Eden AI	$0.20 / $0.50
2026-10-22	Helicone	$0.20 / $0.50
2026-10-22	302.AI	$0.20 / $0.50
2026-10-22	Poe	$0.20 / $0.50
2026-10-22	Jiekou.AI	$0.18 / $0.45
2026-10-22	Abacus	$0.20 / $0.50
2026-10-22	AI/ML API	$1.625 / $3.25
2026-10-22	Eden AI	$0.20 / $0.50
2026-10-21	AI/ML API	$1.625 / $3.25
2026-10-21	Eden AI	$0.20 / $0.50
2026-10-20	AI/ML API	$1.625 / $3.25
2026-10-20	Eden AI	$0.20 / $0.50
2026-10-19	AI/ML API	$1.625 / $3.25
2026-10-19	Eden AI	$0.20 / $0.50
2026-10-18	AI/ML API	$1.625 / $3.25
2026-10-18	Eden AI	$0.20 / $0.50
2026-10-17	AI/ML API	$1.625 / $3.25
2026-10-17	Eden AI	$0.20 / $0.50