Cracked AI Engineering

GLM 4.5 vs DeepSeek V3.1

Compare GLM 4.5 by Fireworks AI and DeepSeek V3.1 by Fireworks AI. See detailed specifications, pricing, and capabilities side-by-side.

Quick Overview

GLM 4.5

Fireworks AI

131K tokens context • $0.55 / $2.19 per 1M tokens

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DeepSeek V3.1

Fireworks AI

164K tokens context • $0.56 / $1.68 per 1M tokens

View full specifications →

Detailed Comparison

Specification
GLM 4.5
DeepSeek V3.1
Provider
Fireworks AI
Fireworks AI
Context Window
131K tokens
164K tokens
Max Output Tokens
131K tokens
164K tokens
Input Pricing (per 1M tokens)
$0.55
$0.56
Output Pricing (per 1M tokens)
$2.19
$1.68
Release Date
Jul 2025
Aug 2025

Capabilities

Capability
GLM 4.5
DeepSeek V3.1
Text Generation
Function Calling
Advanced Reasoning

Which Model Should You Choose?

Choose GLM 4.5 if:

  • • Cost efficiency is a priority

Choose DeepSeek V3.1 if:

  • • You need a larger context window