GPT 5.4 vs Llama 3.3 70B Instruct

Direct comparison between openai and meta for chat models. Specs, prices, strengths, weaknesses — decide on facts.

At a glance

  • · Cheaper: Llama 3.3 70B Instruct
  • · Longer context window: GPT 5.4 at 400,000 tokens
  • · GPT 5.4: Better tool-use accuracy than GPT-5.3 with shorter outputs
  • · Llama 3.3 70B Instruct: Open weights available — no vendor lock-in

Spec comparison

SpecGPT 5.4Llama 3.3 70B Instruct
Provideropenaimeta
Input per 1M tokens$2.50 / 1M$0.72 / 1M
Output per 1M tokens$15.00 / 1M$0.72 / 1M
Context window400,000 tok128,000 tok
Max output16,384 tok4,096 tok
Knowledge cutoff2026-012023-12
Vision
Tool calling
JSON mode
Structured output
Reasoning

GPT 5.4 — strengths

  • +Better tool-use accuracy than GPT-5.3 with shorter outputs
  • +Native vision for screenshots, charts, and documents
  • +400k context — fits code repos and long conversations

Llama 3.3 70B Instruct — strengths

  • +Open weights available — no vendor lock-in
  • +Very cheap per token, widely available across providers
  • +Solid all-rounder for classification and simple generation

GPT 5.4 — weaknesses

  • Pricier per token than Sonnet 4.6 at comparable coding quality
  • Reasoning mode noticeably increases latency over standard calls

Llama 3.3 70B Instruct — weaknesses

  • Knowledge cutoff December 2023 — outdated on recent facts
  • No native vision or audio input
  • Behind Claude Sonnet and GPT-5 across nearly all benchmarks
Details: GPT 5.4Details: Llama 3.3 70B Instruct