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.
**NOTE: Anthropic is limiting access to Claude Fable 5 due to a directive from the US Government. During that time, the model will return errors. Read more here: https://www.anthropic.com/news/fable-mythos-access ** Claude Fable 5 is Anthropic's most capable widely released model, built for the most demanding reasoning and long-horizon agentic work. Adaptive thinking is always on, and the model supports a 1M token context window with up to 128k output tokens per request.
Kimi K2.7 is a frontier-scale open-source 1T parameter model with a 262.1k context window, multi-turn tool calling, vision inputs, and structured outputs for agentic workloads.
from openai import OpenAI
client = OpenAI(
base_url="https://api.aigateway.sh/v1",
api_key="sk-aig-...",
)
# Claude Fable 5
client.chat.completions.create(
model="anthropic/claude-fable-5",
messages=[{"role":"user","content":"hello"}],
)
# Kimi-K2.7-Code
client.chat.completions.create(
model="moonshot/kimi-k2.7-code",
messages=[{"role":"user","content":"hello"}],
)