Model profile
xAI

xAI: Grok Code Fast 1

xAI: Grok Code Fast 1 is a budget-priced text-first model from xAI with balanced runtime profile, large context posture, and the clearest fit around long-context research / agent workflows.

Best for: Long-context research / Agent workflowsBalanced latencyLarge contextBudget pricing
Intelligence
28.7

Benchmark blend

Coding
23.7

Dev workflow signal

Context
256K Tokens

Large

Input Price
$0.20

Budget tier

Decision snapshot
51

xAI: Grok Code Fast 1 currently reads as a budget text-first option with large context and a balanced runtime profile.

Overall profile
Use-case specific
Best for
Long-context research / Agent workflows
Latency tier
Balanced
Price tier
Budget
Source coverage
OpenRouterArtificial Analysis

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
28.7
29

General reasoning and benchmark headroom.

Limited
Speed
139 tok/s
52

TTFT 3.82s

Situational
Context
256K Tokens
88

How much prompt and task state can stay in view.

Above average
Price
$0.20
86

$1.50 output / 1M

Efficient

Editorial Profile

xAI: Grok Code Fast 1 in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Use-case specificCoding score 24Math score 43

Grok Code Fast 1 is a speedy and economical reasoning model that excels at agentic coding. With reasoning traces visible in the response, developers can steer Grok Code for high-quality...

Identity

xAI text-first profile

Positioning

Long-context research / Agent workflows with large context and balanced runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Large context headroom supports repo-wide prompts and long research sessions.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Latency is balanced rather than ultra-fast, which is fine for most workflows but not the snappiest tier.

  • Current metadata points to a text-first profile rather than a broad multimodal one.

Best fit
  • Long-context summarization, repo analysis, and policy or document review.

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Context
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Input Price
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Context
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Intelligence
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Context
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Input Price
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Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
28.7
MMLU Pro
79.3%
GPQA
72.7%
HLE
7.5%
Coding

Software implementation, debugging quality, and coding benchmark signal.

Coding Index
23.7
LiveCodeBench
0.657
SciCode
36.2%
Math

Formal reasoning, structured problem solving, and competition-style math.

Math Index
43.3
AIME 2025
43.3%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

IFBench
41.4%
TAU2
75.7%
TerminalBench Hard
17.4%
LCR
48.3%

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
256K Tokens
Vision
Text-first
Modalities
text
Tokenizer
Grok
Max Completion
10000
Moderation
No
Supported Parameters
include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_logprobstop_p
Input Modalities
text
Output Modalities
text
Price architecture
Input
per 1M input tokens
$0.20
Output
per 1M output tokens
$1.50
Blended
AA 3:1 mix
$0.53

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

OR Web Search Price
$0.0050
OR Cache Read
$0.00

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.