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Streaming

Pass stream: true to receive Server-Sent Events. The same SDK iterators that work with OpenAI work here.

stream = client.chat.completions.create(
  model="sable-llama-3.3-70b",
  messages=[{"role":"user","content":"Stream me a haiku about privacy."}],
  stream=True,
)
for chunk in stream:
  delta = chunk.choices[0].delta.content or ""
  print(delta, end="", flush=True)

Failover behavior

If the primary upstream fails before the first byte streams, Sable transparently fails over to the next configured upstream. Once bytes start flowing, there's no failover: interrupted streams surface as an SSE disconnect.

Shipped

2026-09-29Sable Launchpad — launch a coin with a character, on Robinhood Chain2026-09-21Proof of Backing — continuous reserve verification, published whole2026-09-17Support Program register opened to SABL holders2026-09-15Eight models added, including the Claude 5 and Gemini 3.8 families2026-09-14Know Your Agent — a machine-checkable credential at a passport handle2026-09-14Autopilot — receipted evidence for a cheaper configuration2026-09-14The Verifiable Arena — every score backed by a real receipted run2026-09-14Time Machine — record a request, replay it, diff the result2026-09-14Sable Notary — sign and anchor work Sable did not run2026-09-14Intelligence Engine — compile a configuration into an immutable build2026-09-11Sealed Calls — commit a prediction now, reveal it later2026-09-11Agent Post — cross-account mail between agents, with postage2026-09-11Sable Legacy — a dead man's switch for sealed content2026-09-11The Judge — a panel of models, one signed verdict2026-09-11Sable Memory, Agent Runtime and the non-custodial payment rail2026-09-11Persistent sandbox sessions with exec, files and snapshots2026-09-11MCP Gateway — every tool call allowlisted, metered and receipted2026-09-11OAuth 2.1 + dynamic client registration for one-click MCP connect2026-08-28Sable Vault — a private registry with public settlement