Skip to main content

Braintrust Python SDK

PyPI version

The official Python SDK for logging, tracing, and evaluating AI applications with Braintrust.

Installation

Install the SDK:

pip install braintrust

Quickstart

Run a simple evaluation:

from braintrust import Eval


def is_equal(expected, output):
    return expected == output


Eval(
    "Say Hi Bot",
    data=lambda: [
        {"input": "Foo", "expected": "Hi Foo"},
        {"input": "Bar", "expected": "Hello Bar"},
    ],
    task=lambda input: "Hi " + input,
    scores=[is_equal],
)

Then run:

BRAINTRUST_API_KEY=<YOUR_API_KEY> braintrust eval tutorial_eval.py

Optional Extras

Install extras as needed for specific workflows:

pip install "braintrust[cli]"
pip install "braintrust[openai-agents]"
pip install "braintrust[otel]"
pip install "braintrust[temporal]"
pip install "braintrust[all]"

Available extras:

  • performance: installs orjson for faster JSON serialization
  • cli: installs optional dependencies used by the Braintrust CLI
  • openai-agents: installs OpenAI Agents integration support
  • otel: installs OpenTelemetry integration dependencies
  • temporal: installs Temporal integration dependencies
  • all: installs all optional extras

Documentation

License

Apache-2.0

Metadata

Release files for braintrust 0.47.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for braintrust 0.47.0
File Size Uploaded
braintrust-0.47.0.tar.gz 1.0 MB Details

Built distribution (wheel)

Table of built distributions (wheels) for braintrust 0.47.0
File Interpreter ABI Platform
braintrust-0.47.0-py3-none-any.whl Python 3 none any Details

Total release size: 2.3 MB

Release files / braintrust-0.47.0.tar.gz

Download URL braintrust-0.47.0.tar.gz
Size 1.0 MB
Tags Source
SHA-256 checksum
How to use checksums
cf67cea3a7569343c54a4ce529dd869b07b2a3847e2318dddb3029b99855cc18
BLAKE2b-256 checksum
How to use checksums
eeced7859dc21acc829adfbfe39a9ebc0ccef0a3487ddc2639abbbdf91fe4296
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via uv/0.13.2 {"installer":{"name":"uv","version":"0.13.2","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 19, 2026.

Transparency log

Release files / braintrust-0.47.0-py3-none-any.whl

Download URL braintrust-0.47.0-py3-none-any.whl
Size 1.2 MB
Tags Python 3
SHA-256 checksum
How to use checksums
9ee2874c5dabcd03263ea2935df569c4efeb3c7146ef0b140b1ed9b2896b0ff9
BLAKE2b-256 checksum
How to use checksums
05ee132f62532ad0292a57b1221d5db59edd7caaefb9fd9670b756ba38a84735
Upload date
Uploaded using Trusted Publishing?
What is trusted publishing?
Yes
Uploaded via uv/0.13.2 {"installer":{"name":"uv","version":"0.13.2","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}

Provenance

Provenance describes where a file came from. On PyPI, provenance is shared via attestations, which provide a verifiable record of the build or publishing details. View details, limitations and caveats.

PyPI Publish Attestation

PyPI verified that this artifact, at this checksum, originated from the publisher listed below.

Signed by GitHub Actions, verified by PyPI on Oct 19, 2026.

Transparency log

Release history Release notifications | RSS feed

This release

0.47.0 This release

2 release files

0.46.1

2 release files

0.46.0

2 release files

0.43.0

2 release files

0.42.0

2 release files

0.41.1

2 release files

0.41.0

2 release files

0.40.0

2 release files

0.39.0

2 release files

0.35.0

2 release files

0.34.0

2 release files

0.33.0

2 release files

0.31.0

2 release files

0.30.1

2 release files

0.30.0

2 release files

0.29.0

2 release files

0.28.0

2 release files

0.27.0

2 release files

0.26.0

2 release files

0.25.0

2 release files

0.23.0

2 release files

0.22.1

2 release files

0.22.0

2 release files

0.21.0

2 release files

0.20.0

2 release files

0.18.0

2 release files

0.17.0

2 release files

0.16.0

2 release files

0.15.0

2 release files

0.14.0

2 release files

0.11.0

2 release files

0.10.0

2 release files

0.9.0

2 release files

0.8.0

2 release files

0.7.0

2 release files

0.6.0

2 release files

0.5.6

2 release files

0.5.5

2 release files

0.5.4

2 release files

0.5.3

2 release files

0.5.2

2 release files

0.5.0

2 release files

0.4.3

2 release files

0.4.2

2 release files

0.4.1

2 release files

0.4.0

2 release files

0.3.15

2 release files

0.3.14

2 release files

0.3.13

2 release files

0.3.9

2 release files

0.3.8

2 release files

0.3.7

2 release files

0.3.6

2 release files

0.3.5

2 release files

0.3.4

2 release files

0.3.1

2 release files

0.3.0

2 release files

0.2.9

2 release files

0.2.8

2 release files

0.2.7

2 release files

0.2.6

2 release files

0.2.5

2 release files

0.2.4

2 release files

0.2.3

2 release files

0.2.2

2 release files

0.2.1

2 release files

0.2.0

2 release files

0.1.8

2 release files

0.1.7

2 release files

0.1.6

2 release files

0.1.5

2 release files

0.1.4

2 release files

0.1.3

2 release files

0.1.2

2 release files

0.1.1

2 release files

0.1.0

2 release files

0.0.99

2 release files

0.0.98

2 release files

0.0.94

2 release files

0.0.93

2 release files

0.0.92

2 release files

0.0.91

2 release files

0.0.90

2 release files

0.0.89

2 release files

0.0.86

2 release files

0.0.85

2 release files

0.0.84

2 release files

0.0.83

2 release files

0.0.82

2 release files

0.0.81

2 release files

0.0.80

2 release files

0.0.79

2 release files

0.0.75

2 release files

0.0.74

2 release files

0.0.73

2 release files

0.0.72

2 release files

0.0.71

2 release files

0.0.63

2 release files

0.0.62

2 release files

0.0.61

2 release files

0.0.60

2 release files

0.0.59

2 release files

0.0.58

2 release files

0.0.57

2 release files

0.0.56

2 release files

0.0.55

2 release files

0.0.54

2 release files

0.0.53

2 release files

0.0.52

2 release files

0.0.51

2 release files

0.0.49

2 release files

0.0.48

2 release files

0.0.47

2 release files

0.0.46

2 release files

0.0.45

2 release files

0.0.44

2 release files

0.0.43

2 release files

0.0.39

2 release files

0.0.38

2 release files

0.0.37

2 release files

0.0.36

2 release files

0.0.35

2 release files

0.0.34

2 release files

0.0.33

2 release files

0.0.32

2 release files

0.0.31

2 release files

0.0.30

2 release files

0.0.29

2 release files

0.0.23

2 release files

0.0.22

2 release files

0.0.21

2 release files

0.0.20

2 release files

0.0.19

2 release files

0.0.18

2 release files

0.0.17

2 release files

0.0.16

2 release files

0.0.13

2 release files

0.0.12

2 release files

0.0.9

2 release files

0.0.8

2 release files

0.0.7

2 release files

0.0.6

2 release files

0.0.5

2 release files

0.0.4

2 release files

0.0.3

2 release files

0.0.2

2 release files

Anthropic, PBC Visionary sponsor Bloomberg Visionary sponsor Hudson River Trading Visionary sponsor Meta Visionary sponsor NVIDIA Visionary sponsor Microsoft Sustainability sponsor Depot Continuous Integration AWS Cloud computing and Security Sponsor Datadog Monitoring Fastly CDN Google Download Analytics Sentry Error logging StatusPage Status page