GPT-4o Audio
Narrator Storytelling
Compare GPT-4o Audio and GPT Audio, both from OpenAI, context windows of 128K vs 128K, tested across 6 shared challenges. Updated April 2026.
GPT-4o Audio and GPT Audio are both competitive models. GPT-4o Audio costs $2.5/M input tokens vs $2.5/M for GPT Audio. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
GPT-4o Audio is made by openai while GPT Audio is from openai. GPT-4o Audio has a 128K token context window compared to GPT Audio's 128K. On pricing, GPT-4o Audio costs $2.5/M input tokens vs $2.5/M for GPT Audio.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Ask them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

6 fights queued
Tests a TTS model's ability to deliver warm, engaging narration with natural pacing
Tests a TTS model's expressiveness, pausing, and emotional range
Tests a TTS model's ability to deliver professional, authoritative speech
Tests conversational, energetic delivery with personality
Tests a TTS model's ability to handle multiple languages in sequence
Tests a TTS model's ability to differentiate character voices in dialogue