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OpenAI: GPT-4o Mini TTS

OpenAI
Streaming Vision
N/A
Context
$0.6000
Input /1M
N/A
Output /1M
N/A
Max Output
Run API Call Open in Chat

OpenAI: GPT-4o Mini TTS

Model Overview

Property Value
Model ID openai/gpt-4o-mini-tts
Provider OpenAI
Category Audio
Released TBD
Status Active
Flagship No

Description

GPT-4o Mini TTS is a audio processing model for speech synthesis and audio understanding. Developed by OpenAI, this model is optimized for its specific use case category.

Specifications

Property Value
Context Window N/A
Max Output Tokens N/A
Knowledge Cutoff N/A
Modalities Audio
Speed Tier N/A
Quality Tier N/A

Pricing

Type Price
Input $0.60 per 1M tokens
Output N/A per 1M tokens

Capabilities

Capability Supported
Vision/Image Input No
Tool/Function Calling No
JSON Mode No
Streaming Yes
System Prompt Yes

Use Cases

  • Speech synthesis and text-to-speech
  • Audio transcription and processing
  • Voice generation
  • Audio enhancement and restoration
  • Sound design and generation

Strengths

  • Reliable and consistent performance
  • Well-documented and supported
  • Suitable for production use
  • Comprehensive capability set

Limitations

  • No vision or image input capability
  • Limited tool/function calling support
  • No guaranteed JSON output mode

Integration with LangMart

Gateway Support:

  • Type 1 (Full Platform): Yes
  • Type 2 (Cloud Gateway): Yes
  • Type 3 (Self-hosted): Yes

API Endpoint:

curl -X POST https://api.langmart.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai/gpt-4o-mini-tts",
    "messages": [{"role": "user", "content": "Hello"}],
    "max_tokens": 1024
  }'

OpenAI Compatibility: Full compatibility with OpenAI API format.

Models in this category and from this provider are available in the LangMart marketplace.

Additional Resources

Data Source: LangMart Provider Models Database Last Updated: 2026-01-02