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Grok 1 Code Fast


Grok 1 Code Fast is xAI logoxAI's language model with a 256K context window and up to 10K output tokens, available from 5 providers. A fast, economical reasoning model from xAI optimized for agentic coding workflows with visible reasoning traces.
Spec
Canonical IDxai-grok-1-code-fast
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Context Window256K tokens
Max Output10K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 8 months ago
Intelligence Index
28.7
#67
Coding Index
23.7
#78
Math Index
43.3
#89
MMLU-Pro
0.8
#75
GPQA
0.7
#88
HLE
0.1
#100
LiveCodeBench
0.7
#50
IFBench
0.4
#116
Time to First Token
3.07s
#304
SciCode
0.4
#82
AIME 2025
0.4
#89
LCR
0.5
#64
TerminalBench Hard
0.2
#74
TAU2
0.8
#50
Output TPS

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities5/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema·
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
$0.200$1.50N/A
OpenRouter logo
OpenRouter
$0.200$1.50$0.020
Vercel AI Gateway logo
Vercel AI Gateway
$0.200$1.50$0.020
xAI logo
xAI
$0.200$1.50$0.020$0.100$0.750$0.010
Oracle Cloud (OCI) logo
Oracle Cloud (OCI)
$5.00$25.00N/A

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.20 Multi-Agent2.0M$2.00$6.00Available
Grok 4.20 Multi Agent Beta2.0M$2.00$6.00Available
Grok 4 20 Non-Reasoning2.0MAvailable
Grok 4 20 Reasoning2.0MAvailable
Grok 4 20131K$3.00$15.00Available
Grok 4.1 Fast2.0M$0.200$0.500Available
Grok 4.1 Fast Non-Reasoning2.0M$0.200$0.500Available
Grok 4.1 Fast Reasoning2.0M$0.200$0.500Available
Grok 4 Non-Reasoning2.0M$2.00$6.00Available
Grok 4 Reasoning2.0M$2.00$6.00Available
Grok 1 Code Fast256KCurrent

Model IDs