release: 0.12.0

[stainless-app]

Automated Release PR

0.12.0 (2025-12-26)

Full Changelog: v0.11.4...v0.12.0

Features

• api: api update (f117723)
• api: api update (9f22b46)
• enhance LiteLLM metadata extraction by adding cost retrieval from response headers (43a7d2e)
• prevent multiple patching in trace_litellm function to avoid duplicate traces (#568) (a1619e7)

Bug Fixes

• client: close streams without requiring full consumption (c1458b7)
• compat with Python 3.14 (c2d9681)

Chores

• bump httpx-aiohttp version to 0.1.9 (3f895de)
• do not install brew dependencies in ./scripts/bootstrap by default (45badc5)
• internal/tests: avoid race condition with implicit client cleanup (3d05ccc)
• internal: detect missing future annotations with ruff (d2887ba)
• internal: grammar fix (it's -> its) (4af20e1)
• internal: update pydantic dependency (0af11ac)
• internal: version bump (55f6ab0)
• internal: version bump (3a5c286)
• internal: version bump (d5dc8c0)
• internal: version bump (61324d6)
• internal: version bump (9db5997)
• internal: version bump (4659537)
• internal: version bump (199356c)
• internal: version bump (e63dee5)
• package: drop Python 3.8 support (4c48617)
• types: change optional parameter type from NotGiven to Omit (54c1533)

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🔗 Stainless website
📚 Read the docs
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[stainless-app]

🧪 Testing

To try out this version of the SDK, run:

pip install 'https://pkg.stainless.com/s/openlayer-python/55f6ab040221d31a154ef21c71a1957b77043f79/openlayer-0.11.4-py3-none-any.whl'

Expires at: Sun, 25 Jan 2026 14:14:46 GMT
Updated at: Fri, 26 Dec 2025 14:14:46 GMT

[stainless-app]

🤖 Release is at https://github.com/openlayer-ai/openlayer-python/releases/tag/v0.12.0 🌻