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.
| GPT-5.4 openai/gpt-5.4 | Nova-3 deepgram/nova-3 | |
|---|---|---|
| Provider | OpenAI | Deepgram |
| Family | GPT-5 | Nova |
| Modality | text | audio-stt |
| Context window | 128,000 tok | — |
| Max output | 16,384 tok | — |
| Released | 2026-04-08 | 2025-06-05 |
| Input price | $2.50 /1M | $0.0052 /min |
| Output price | $15.00 /1M | — |
| Cache read | $0.250 /1M | — |
| Tools | yes | — |
| Streaming | yes | yes |
| Vision | yes | — |
| JSON mode | yes | — |
| Reasoning | yes | — |
| Prompt caching | yes | — |
GPT-5.4 is OpenAI's flagship model with strong coding, reasoning, and multimodal capabilities.
Transcribe audio using Deepgram’s speech-to-text model
# 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 GPT-5.4
client.chat.completions.create(
model="openai/gpt-5.4",
messages=[{"role":"user","content":"hello"}],
)
# Try Nova-3 — same client, same key
client.chat.completions.create(
model="deepgram/nova-3",
messages=[{"role":"user","content":"hello"}],
)