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Get started freeGPT-4o Audio vs GPT-4o mini Audio
Compare GPT-4o Audio and GPT-4o mini Audio. Build AI products powered by either model on Appaca.
Model Comparison
| Feature | GPT-4o Audio | GPT-4o mini Audio |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Model Type | audio | audio |
| Context Window | 128,000 tokens | 128,000 tokens |
| Input Cost | $2.50/ 1M tokens | $0.15/ 1M tokens |
| Output Cost | $10.00/ 1M tokens | $0.60/ 1M tokens |
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Build your first app freeStrengths & Best Use Cases
GPT-4o Audio
OpenAI1. True multimodal audio model
- Accepts raw audio as input and produces audio or text as output.
- Enables hands-free, voice-first app experiences.
2. Natural real-time speech interaction
- Low-latency audio generation suitable for conversational agents.
- Great for voice assistants, phone bots, and interactive voice UI.
3. Large 128K context window
- Supports long conversations, call transcripts, instructions, or multi-part interactions.
- Ideal for building persistent voice agents or phone workflows.
4. High-output capacity
- Up to 16,384 max output tokens for extended responses or long explanations.
- Suitable for complex reasoning tasks in voice format.
5. Hybrid text + audio workloads
- Combine audio input/output with text prompts, instructions, or structured control.
- Useful for customer support bots, spoken form systems, IVR replacements, etc.
6. Compatible with the latest APIs
- Works with Chat Completions, Responses API, Realtime API, and Assistants.
- Supports streaming, function calling, and advanced developer tooling.
7. Strong performance for a preview model
- High reasoning and expression abilities relative to most audio-capable models.
- Designed for production-style experimentation prior to full release.
8. Ideal for next-gen voice applications
- Build lifelike AI agents, interview bots, tutoring systems, and spoken knowledge tools.
- Perfect for startups building audio-first user experiences.
GPT-4o mini Audio
OpenAI1. Affordable multimodal audio model
- Extremely low-cost audio + text model for production-scale usage.
- Ideal for startups and high-volume traffic apps.
2. Fast real-time performance
- Low latency suitable for responsive voice assistants, AI phone bots, IVR flows, and audio chat apps.
- Great when speed matters more than deep reasoning.
3. Audio input and audio output
- Accepts raw audio (speech, recordings, commands).
- Generates natural audio responses via the REST API.
4. Large 128K context window
- Handles long conversations, transcriptions, and extended instructions.
- Supports multi-step voice workflows or multi-part inputs.
5. Great for lightweight reasoning workloads
- Performs well for classification, instructions, Q&A, rewriting, and audio-driven tasks.
- Good for voice agents that don't need high-end reasoning like GPT-5.1.
6. Works across major endpoints
- Chat Completions, Responses API, Realtime API, Assistants, Batch.
- Supports streaming and function calling.
7. Scalable for commercial production
- Perfect for customer support hotlines, appointment bots, FAQ voice agents, or embedded voice UI in apps.
- Reliable and predictable output behavior given its price.
8. Preview model designed for experimentation
- Lets teams prototype voice-first features with minimal cost.
- Useful stepping-stone before upgrading to GPT-4o Audio or GPT-5 audio models.
Prompts to Get Started
Use these prompts to power AI products you build on Appaca. Each works great with the models above.
Best for GPT-4o Audio
audioProfessional Personal Bio
Write a polished professional bio for websites, LinkedIn, or speaking engagements. Balances credentials with personality.
Seasonal Campaign Copy
Write marketing copy for a seasonal sale or holiday campaign.
Influencer Campaign (Partner + Brief + Measurement)
Design an influencer marketing campaign that reaches your persona via credible partners while reinforcing your USP and persona challenges.
Best for GPT-4o mini Audio
audioSubstitute Teacher Lesson Plan
Write a self-contained lesson plan a substitute teacher can deliver independently.
Math Problem Set
Generate a differentiated math problem set for a specific skill or concept.
Influencer Campaign Brief
Write a clear influencer brief outlining campaign goals and deliverables.