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Devstral Small 2505 vs Grok Code Fast 1 (Comparative Analysis)

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Comparative Analysis: Devstral Small 2505 vs. Grok Code Fast 1
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Overview

Devstral Small 2505 was released 3 months before Grok Code Fast 1.
Devstral Small 2505Devstral Small 2505
Grok Code Fast 1Grok Code Fast 1
Model Provider
The organization behind this AI's development
Mistral logoMistral
XAI logoXAI
Input Context Window
Maximum input tokens this model can process at once
131.1K
tokens
256K
tokens
Output Token Limit
Maximum output tokens this model can generate at once
131.1K
tokens
10K
tokens
Release Date
When this model first became publicly available
May 21st, 2025
August 26th, 2025

Capabilities & Features

Compare supported features, modalities, and advanced capabilities
Devstral Small 2505
Grok Code Fast 1
Input Types
Supported input formats
📝Text
📝Text
Output Types
Supported output formats
📝Text
📝Text
Tokenizer
Text encoding system
MistralGrok
Key Features
Advanced capabilities
Function CallingStructured OutputReasoning ModeContent Moderation
Function CallingStructured OutputReasoning ModeContent Moderation
Open Source
Model availability
Available on HuggingFace →Proprietary

Pricing

Devstral Small 2505 is roughly 0.3x less expensive compared to Grok Code Fast 1 for input tokens and roughly 0.1x less expensive for output tokens.
Devstral Small 2505Devstral Small 2505
Grok Code Fast 1Grok Code Fast 1
Input Token Cost
Cost per million input tokens
$0.05
per million tokens
$0.20
per million tokens
Output Token Cost
Cost per million outut tokens
$0.22
per million tokens
$1.50
per million tokens

Benchmarks

Compare relevant benchmarks between Devstral Small 2505 and Grok Code Fast 1.
Devstral Small 2505Devstral Small 2505
Grok Code Fast 1Grok Code Fast 1
MMLU
Measures knowledge across 57 subjects like law, math, history, and science
Benchmark not available.
Benchmark not available.
MMMU
Measures understanding of combined text and images across various domains
Benchmark not available.
Benchmark not available.
HellaSwag
Measures common sense reasoning by having models complete sentences about everyday situations
Benchmark not available.
Benchmark not available.

At a Glance

Quick overview of what makes Devstral Small 2505 and Grok Code Fast 1 unique.
Mistral logoDevstral Small 2505 by Mistral can use external tools and APIs, generates structured data. It can handle standard conversations with its 131.1K token context window. Very affordable at $0.05/M input and $0.22/M output tokens. Released May 21st, 2025.
XAI logoGrok Code Fast 1 by XAI can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 256K token context window. Very affordable at $0.20/M input and $1.50/M output tokens. Released August 26th, 2025.

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