GPT-3.5 Turbo vs GPT-5
Compare GPT-3.5 Turbo and GPT-5, both from OpenAI, in 2 community votes, gpt-5 wins 100% of head-to-head duels, context windows of 16K vs 400K, tested across 51 shared challenges. Updated May 2026.
Which is better, GPT-3.5 Turbo or GPT-5?
GPT-5 is the better choice overall, winning 100% of 2 blind community votes on Rival. GPT-3.5 Turbo costs $1.5/M input tokens vs $1.25/M for GPT-5. Context windows: 16K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-3.5 Turbo and GPT-5
GPT-3.5 Turbo is made by openai while GPT-5 is from openai. GPT-3.5 Turbo has a 16K token context window compared to GPT-5's 400K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $1.25/M for GPT-5. In community voting, In 2 community votes, GPT-5 wins 100% of head-to-head duels.
In 2 community votes, GPT-5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Per 1M tokens
GPT-5 wins input (1.2× cheaper)·GPT-3.5 Turbo wins output (5.0× cheaper)
Pick GPT-5. In 2 blind votes, GPT-5 wins 100% of the time. That's not luck.
GPT-3.5 Turbo is 5.0x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-5 uses 18.9x more bold
