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xAI model product

Grok 1.5

An advanced language model with improved reasoning capabilities, particularly excelling in coding and mathematical tasks.

Updated Aug 12, 2026. Default version: Grok-1.5

Compare
LLMBoard score0.0Grok-1.5
Coverage80%9 benchmark families
Context windowN/ATokens
Official input priceN/AOfficial price unavailable

On this page

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

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 Capability Profile

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

Grok-1.5 category scores

Grok 1.5 Benchmark Results

Benchmark scores for Grok-1.5.

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Columns

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DocVQA85.6%24268.0%CAug 11, 2026
GSM8k90.0%274844.7%CAug 11, 2026
MathVista52.8%343913.2%CAug 11, 2026
HumanEval74.1%526621.5%CAug 11, 2026
MMLU81.3%5210048.5%CAug 11, 2026
MATH50.6%547124.3%CAug 11, 2026
MMMU53.6%546314.5%CAug 11, 2026
MMLU-Pro51.0%11212913.3%CAug 11, 2026
GPQA35.9%2132349.0%CAug 11, 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 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.

Browse runtime rankings

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

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 Versions

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

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Columns

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Grok-1.5Mar 28, 20240.0N/AN/AN/ANoProprietary

What is Grok 1.5?

Key information about Grok 1.5 and its available data.

An advanced language model with improved reasoning capabilities, particularly excelling in coding and mathematical tasks. Features a 128K token context window and enhanced problem-solving abilities compared to its predecessor.

Data as of 2026-08-11.

Grok 1.5 vs nearby models

Open a comparison with the three ranked models immediately above and below this model.

Grok 1.5vsGemma 3n E4B LiteRTGrok 1.5vsGemma 3 4BGrok 1.5vsQwen2.5 Coder 7BGrok 1.5vsGemma 2 9BGrok 1.5vsCommand R+Grok 1.5vsGemma 3 1B

Models similar to Grok 1.5

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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.

What models should I compare Grok 1.5 with?

Nearby ranked alternatives include Gemma 3n E4B LiteRT, Gemma 3 4B, Qwen2.5 Coder 7B.