Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.
Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.
| Speech 2.8 HD minimax/speech-2.8-hd | tts-1-hd openai/tts-1-hd | |
|---|---|---|
| Provider | MiniMax | openai |
| Family | openai | |
| Modality | audio-tts | tts |
| Context window | — | — |
| Max output | — | — |
| Released | 2026-04-13 | 2026-04-13 |
| Input price | $0.100 /1K ch | $0.030 /1K ch |
| Output price | — | — |
| Cache read | — | — |
| Tools | — | — |
| Streaming | — | — |
| Vision | — | — |
| JSON mode | — | — |
| Reasoning | — | — |
| Prompt caching | — | — |
MiniMax Speech 2.8 HD focuses on studio-grade audio generation with emotion control, multilingual support (40+ languages), and voice cloning.
OpenAI's high-definition text-to-speech model producing higher quality audio output.
# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Try Speech 2.8 HD
client.chat.completions.create(
model="minimax/speech-2.8-hd",
messages=[{"role":"user","content":"hello"}],
)
# Try tts-1-hd — same client, same key
client.chat.completions.create(
model="openai/tts-1-hd",
messages=[{"role":"user","content":"hello"}],
)