Cracked AI Engineering

Grok 4 Fast vs Qwen3 Next 80B A3B Instruct

Grok 4 Fast offers 2.0M tokens context vs 131K tokens, Grok 4 Fast includes advanced reasoning, Grok 4 Fast supports vision. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

Grok 4 Fast

Vercel AI Gateway

2.0M tokens context • $0.20 / $0.50 per 1M tokens

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Qwen3 Next 80B A3B Instruct

Vercel AI Gateway

131K tokens context • $0.50 / $2.00 per 1M tokens

View full specifications →

Detailed Comparison

Specification
Grok 4 Fast
Qwen3 Next 80B A3B Instruct
Provider
Vercel AI Gateway
Vercel AI Gateway
Context Window
2.0M tokens
131K tokens
Max Output Tokens
30K tokens
33K tokens
Input Pricing (per 1M tokens)
$0.20
$0.50
Output Pricing (per 1M tokens)
$0.50
$2.00
Release Date
Sep 2025
Sep 2025

Capabilities

Capability
Grok 4 Fast
Qwen3 Next 80B A3B Instruct
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments

Which Model Should You Choose?

Choose Grok 4 Fast if:

  • • You need a larger context window
  • • Cost efficiency is a priority
  • • You need advanced reasoning

Choose Qwen3 Next 80B A3B Instruct if:

  • • You prefer open weights