Skip to content

Compare models

Put up to 4 models beside each other — token prices, context windows, capabilities and provider, from the same catalogue the model pages read.

  1. GPT-4o Mini TTSOpenAIRemove
  2. Claude Fable 5.2AnthropicRemove
gpt-4o-mini-tts-2025-12-15 vs claude-fable-5.2
AttributeGPT-4o Mini TTSgpt-4o-mini-tts-2025-12-15Claude Fable 5.2claude-fable-5.2
Pricing
Input$0.30 / 1M$8.00 / 1M
Output— Not priced per output token$40.00 / 1M
Cache Write (5m)Not applicable$10.00 / 1M
Cache Write (1h)Not applicable$16.00 / 1M
Cache ReadNot applicable$0.20 / 1M
Web Search$0 / 1M$0 / 1M
Context
Max context4.1K1M
Max outputN/AN/A
Capabilities
VisionNoYes
Function CallingNoYes
JSON ModeYesYes
StreamingNoYes
Catalogue
ProviderOpenAIAnthropic
Categoryvoicechat
Charge typePay As You GoPay As You Go
Released——
Description
SummaryGPT-4o Mini TTS is OpenAI's cost-efficient text-to-speech model, designed to convert text into natural-sounding audio output. It supports a variety of voices and tones, enabling flexible and expressive speech generation. Optimized for scalability and low cost, it is well suited for real-time voice applications, content narration, and high-volume audio generation workflows.Claude Fable 5.2 is Anthropic's most capable model for advanced technical work and open-ended problem solving, delivering significant improvements in coding, reasoning, and vision over Fable 5.1. It excels at exceptionally complex tasks, including large-scale software migrations, electronic system design, and advanced scientific and mathematical research. With up to 30% faster output generation, clearer communication, and always-on adaptive extended thinking, Fable 5.2 supports configurable reasoning effort from low to max (default high), with thinking preserved across turns. Designed for frontier engineering, scientific discovery, and ambitious long-horizon agentic workflows, it complements Opus 5.5 as a specialized option for the most demanding technical challenges.