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llmboard.aiCopyright 2026 llmboard.ai

xAI model product

Grok 1.5

5 is an xAI language model with improved reasoning for coding and mathematical tasks.

Updated Sep 8, 2026. Default version: Grok-1.5

LLMBoard Score0.0Grok-1.5
Coverage20%9 benchmark families
Context windowN/ATokens
Official input priceN/AOfficial price unavailable

On this page

  • Capability
  • Benchmarks
  • Arena
  • Pricing
  • Runtime
  • Specification
  • Versions
  • Similar models
  • About
  • FAQ

Grok 1.5 Capability Profile

This profile uses the model's current scored version. Arena ratings and prices are shown separately.

Grok-1.5 LLMBoard score breakdown

Grok 1.5 Benchmark Results

Benchmark scores for Grok-1.5.

9 rows
Columns

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Benchmark
Score
Rank
Participants
Percentile
Evidence
Evaluated
BenchmarkDocVQAScore85.60%Rank26Participants28Percentile7.41%EvidenceCEvaluatedSep 8, 2026
BenchmarkGSM8kScore90.00%Rank27Participants48Percentile44.68%EvidenceCEvaluatedSep 8, 2026
BenchmarkMathVistaScore52.80%Rank35Participants39Percentile10.53%EvidenceCEvaluatedSep 8, 2026
BenchmarkHumanEvalScore74.10%Rank52Participants66Percentile21.54%EvidenceCEvaluatedSep 8, 2026
BenchmarkMMLUScore81.30%Rank52Participants101Percentile49.00%EvidenceCEvaluatedSep 8, 2026
BenchmarkMATHScore50.60%Rank54Participants71Percentile24.29%EvidenceCEvaluatedSep 8, 2026
BenchmarkMMMUScore53.60%Rank56Participants64Percentile12.70%EvidenceCEvaluatedSep 8, 2026
BenchmarkMMLU-ProScore51.00%Rank120Participants138Percentile13.14%EvidenceCEvaluatedSep 8, 2026
BenchmarkGPQAScore35.90%Rank226Participants247Percentile8.54%EvidenceCEvaluatedSep 8, 2026

Grok 1.5 Arena Results

Preference and agent-evaluation results for the default version.

No Arena results

The default version does not have a matching Arena result yet.

Grok 1.5 Pricing

Official vendor API pricing appears first, followed by individual provider offers.

Official API
N/A
Official provider
N/A
Lowest third-party
N/A
Tracked offerings
0
No provider prices

The default version has no current input or output token prices.

Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.

Grok 1.5 Runtime Performance

Provider-specific output speed and catalog latency for Grok-1.5. Runtime does not affect the capability score.

No runtime data

No provider-specific speed or latency record is linked to the default version yet.

Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.

Grok 1.5 Specifications

Technical details for the model's default version.

Version
Grok-1.5
Released
Mar 28, 2024
Knowledge cutoff
Unknown
Parameters
N/A
Context window
N/A
Max output
N/A
Inputs
text
Outputs
text
Open weights
No
License
Proprietary

Grok 1.5 Versions

Available versions of this model. The score column identifies the version used in the overall ranking.

1 row
Columns

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Version
Released
LLMBoard
Parameters
Context
Max output
Open weights
License
VersionGrok-1.5ReleasedMar 28, 2024LLMBoard0.00ParametersN/AContextN/AMax outputN/AOpen weightsNoLicenseProprietary

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Details

What is Grok 1.5?

Key information about Grok 1.5 and its available data.

5 is an xAI large language model with a 128K token context window and enhanced problem-solving abilities compared with its predecessor.

Data as of 2026-09-08.

FAQ

Common questions about Grok 1.5.

When was Grok 1.5 released?

Grok 1.5's default version was released on Mar 28, 2024.

How much does Grok 1.5 cost?

No official standard PAYG price is currently available for Grok 1.5.

Who created Grok 1.5?

Grok 1.5 was created by xAI.

What is the context window for Grok 1.5?

A context window is not available for the default version.

Is Grok 1.5 open weight?

No. The default version is not marked as having publicly available weights.

How many API providers offer Grok 1.5?

No provider offering is currently linked to the default version.

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