Cracked AI Engineering

GPT OSS 20B vs DeepSeek V3.1

GPT OSS 20B is more cost-effective. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GPT OSS 20B

Fireworks AI

131K tokens context • $0.05 / $0.20 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
GPT OSS 20B
DeepSeek V3.1
Provider
Fireworks AI
Fireworks AI
Context Window
131K tokens
164K tokens
Max Output Tokens
33K tokens
164K tokens
Input Pricing (per 1M tokens)
$0.05
$0.56
Output Pricing (per 1M tokens)
$0.20
$1.68
Release Date
Aug 2025
Aug 2025

Capabilities

Capability
GPT OSS 20B
DeepSeek V3.1
Text Generation
Function Calling
Advanced Reasoning

Which Model Should You Choose?

Choose GPT OSS 20B if:

  • • Cost efficiency is a priority

Choose DeepSeek V3.1 if:

  • • You need a larger context window