Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.
Claude Sonnet 5.5 offers the best combination of speed and intelligence, with adaptive thinking for coding, tool use, reasoning, and long-horizon work.
Gemini 3.8 Flash TTS is Google's flagship text-to-speech model for expressive, natural speech generation.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Claude Sonnet 5.5
client.chat.completions.create(
model="anthropic/claude-sonnet-5.5",
messages=[{"role":"user","content":"hello"}],
)
# Gemini 3.8 Flash TTS
client.chat.completions.create(
model="google/gemini-3.8-flash-tts",
messages=[{"role":"user","content":"hello"}],
)