A client library for accessing langfuse
Project Links
Meta
Author: langfuse
Requires Python: >=3.10, <4.0
Classifiers
Langfuse Python SDK
Installation
[!IMPORTANT] The SDK was rewritten in v4 and released in March 2026. Refer to the v4 migration guide for instructions on updating your code.
pip install langfuse
Docs
Please see our docs for detailed information on this SDK.
4.0.6
Apr 01, 2026
4.0.5
Apr 01, 2026
4.0.4
Mar 30, 2026
4.0.3
Mar 30, 2026
4.0.2
Mar 30, 2026
4.0.1
Mar 19, 2026
4.0.0
Mar 10, 2026
4.0.0b1
Feb 24, 2026
3.14.6
Apr 01, 2026
3.14.5
Feb 23, 2026
3.14.4
Feb 19, 2026
3.14.3
Feb 17, 2026
3.14.2
Feb 16, 2026
3.14.1
Feb 09, 2026
3.14.0
Feb 09, 2026
3.13.0
Feb 06, 2026
3.12.1
Jan 27, 2026
3.12.0
Jan 13, 2026
3.11.2
Dec 23, 2025
3.11.1
Dec 19, 2025
3.11.0
Dec 17, 2025
3.10.7
Dec 16, 2025
3.10.6
Dec 12, 2025
3.10.5
Dec 03, 2025
3.10.4
Dec 03, 2025
3.10.4a1
Dec 03, 2025
3.10.3
Dec 01, 2025
3.10.2
Dec 01, 2025
3.10.1
Nov 19, 2025
3.10.0
Nov 14, 2025
3.9.4a0
Nov 13, 2025
3.9.3
Nov 12, 2025
3.9.3a1
Nov 12, 2025
3.9.3a0
Nov 12, 2025
3.9.2
Nov 11, 2025
3.9.1
Nov 06, 2025
3.9.0
Nov 03, 2025
3.8.1
Oct 22, 2025
3.8.0
Oct 20, 2025
3.7.0
Oct 16, 2025
3.6.2
Oct 10, 2025
3.6.1
Oct 02, 2025
3.6.0
Oct 01, 2025
3.5.2
Sep 28, 2025
3.5.1
Sep 25, 2025
3.5.0
Sep 18, 2025
3.4.0
Sep 17, 2025
3.3.5
Sep 16, 2025
3.3.4
Sep 02, 2025
3.3.3
Sep 01, 2025
3.3.2
Aug 27, 2025
3.3.1
Aug 26, 2025
3.3.0
Aug 19, 2025
3.2.8
Aug 18, 2025
3.2.7
Aug 15, 2025
3.2.6
Aug 14, 2025
3.2.5
Aug 14, 2025
3.2.4
Aug 12, 2025
3.2.3
Aug 08, 2025
3.2.2
Aug 05, 2025
3.2.1
Jul 16, 2025
3.2.0
Jul 14, 2025
3.1.3
Jul 07, 2025
3.1.2
Jul 04, 2025
3.1.1
Jul 02, 2025
3.1.0
Jul 02, 2025
3.0.9
Jul 01, 2025
3.0.8
Jun 29, 2025
3.0.7
Jun 27, 2025
3.0.6
Jun 26, 2025
3.0.5
Jun 24, 2025
3.0.4
Jun 23, 2025
3.0.3
Jun 18, 2025
3.0.2
Jun 16, 2025
3.0.1
Jun 11, 2025
3.0.0
Jun 05, 2025
3.0.0b5
Jun 04, 2025
3.0.0b3
May 28, 2025
3.0.0b2
May 22, 2025
3.0.0b1
May 20, 2025
3.0.0a4
Jun 03, 2025
2.60.10
Sep 16, 2025
2.60.9
Jun 29, 2025
2.60.8
Jun 03, 2025
2.60.7
May 27, 2025
2.60.6
May 26, 2025
2.60.5
May 15, 2025
2.60.4
May 06, 2025
2.60.3
Apr 15, 2025
2.60.2
Mar 24, 2025
2.60.1
Mar 21, 2025
2.60.0
Mar 17, 2025
2.59.7
Mar 03, 2025
2.59.6
Feb 28, 2025
2.59.5
Feb 26, 2025
2.59.4
Feb 25, 2025
2.59.3
Feb 12, 2025
2.59.2
Feb 10, 2025
2.59.1
Feb 05, 2025
2.59.0
Feb 05, 2025
2.58.2
Feb 03, 2025
2.58.1
Jan 31, 2025
2.58.0
Jan 28, 2025
2.57.13
Jan 27, 2025
2.57.13a0
Jan 24, 2025
2.57.12
Jan 22, 2025
2.57.11
Jan 20, 2025
2.57.10
Jan 15, 2025
2.57.9
Jan 15, 2025
2.57.8
Jan 14, 2025
2.57.7
Jan 14, 2025
2.57.6
Jan 13, 2025
2.57.5
Jan 06, 2025
2.57.4
Jan 02, 2025
2.57.3
Jan 02, 2025
2.57.2
Dec 27, 2024
2.57.1
Dec 22, 2024
2.57.0
Dec 16, 2024
2.56.2
Dec 12, 2024
2.56.1
Dec 10, 2024
2.56.0
Dec 05, 2024
2.55.0
Nov 28, 2024
2.54.1
Nov 20, 2024
2.54.0
Nov 20, 2024
2.53.10a0
Nov 18, 2024
2.53.9
Nov 06, 2024
2.53.8
Nov 05, 2024
2.53.7
Nov 05, 2024
2.53.6
Nov 05, 2024
2.53.5
Nov 04, 2024
2.53.4
Nov 04, 2024
2.53.3
Oct 29, 2024
2.53.2
Oct 28, 2024
2.53.1
Oct 25, 2024
2.53.0
Oct 25, 2024
2.52.2
Oct 22, 2024
2.52.1
Oct 17, 2024
2.52.0
Oct 09, 2024
2.51.5
Oct 09, 2024
2.51.4
Oct 07, 2024
2.51.3
Oct 03, 2024
2.51.2
Sep 27, 2024
2.51.1
Sep 26, 2024
2.51.0
Sep 25, 2024
2.50.3
Sep 23, 2024
2.50.2
Sep 19, 2024
2.50.1
Sep 19, 2024
2.50.0
Sep 18, 2024
2.49.0
Sep 17, 2024
2.48.1
Sep 13, 2024
2.48.0
Sep 10, 2024
2.47.1
Sep 09, 2024
2.47.0
Sep 06, 2024
2.46.3
Sep 05, 2024
2.46.3a0
Sep 05, 2024
2.46.2
Sep 05, 2024
2.46.1
Sep 05, 2024
2.46.0
Sep 03, 2024
2.45.3a0
Sep 03, 2024
2.45.2
Sep 02, 2024
2.45.1
Aug 29, 2024
2.45.0
Aug 28, 2024
2.44.1
Aug 22, 2024
2.44.0
Aug 20, 2024
2.43.3
Aug 11, 2024
2.43.2
Aug 11, 2024
2.43.2a0
Aug 11, 2024
2.43.1
Aug 08, 2024
2.43.0
Aug 07, 2024
2.42.1
Aug 06, 2024
2.42.0
Aug 06, 2024
2.41.0
Aug 05, 2024
2.40.3a0
Aug 05, 2024
2.40.2a0
Aug 05, 2024
2.40.1a0
Aug 05, 2024
2.40.0
Jul 30, 2024
2.39.3
Jul 22, 2024
2.39.2
Jul 18, 2024
2.39.1
Jul 11, 2024
2.39.0
Jul 10, 2024
2.38.1
Jul 08, 2024
2.38.0
Jul 04, 2024
2.37.0
Jul 02, 2024
2.36.2
Jun 20, 2024
2.36.1
Jun 11, 2024
2.36.0
Jun 11, 2024
2.35.2
Jun 07, 2024
2.35.0
Jun 06, 2024
2.34.2
Jun 05, 2024
2.34.1
Jun 05, 2024
2.34.0
Jun 05, 2024
2.33.1
May 30, 2024
2.33.1a0
May 22, 2024
2.33.0
May 21, 2024
2.32.0
May 17, 2024
2.31.0
May 15, 2024
2.30.0
May 10, 2024
2.29.3
May 08, 2024
2.29.3a0
May 08, 2024
2.29.2
May 08, 2024
2.29.1
May 07, 2024
2.29.0
May 03, 2024
2.28.2
May 02, 2024
2.28.1
May 02, 2024
2.28.1a0
May 02, 2024
2.28.0
May 01, 2024
2.27.3
Apr 29, 2024
2.27.2
Apr 26, 2024
2.27.1
Apr 22, 2024
2.27.0
Apr 18, 2024
2.26.3
Apr 17, 2024
2.26.2
Apr 16, 2024
2.26.1
Apr 13, 2024
2.26.0
Apr 12, 2024
2.25.0
Apr 11, 2024
2.24.0
Apr 10, 2024
2.23.2
Apr 10, 2024
2.23.1
Apr 09, 2024
2.23.0
Apr 09, 2024
2.22.0
Apr 08, 2024
2.21.3
Apr 04, 2024
2.21.3a1
Apr 04, 2024
2.21.2
Apr 03, 2024
2.21.1
Mar 24, 2024
2.21.0
Mar 20, 2024
2.20.4
Mar 18, 2024
2.20.3
Mar 15, 2024
2.20.2
Mar 15, 2024
2.20.2a3
Mar 14, 2024
2.20.2a2
Mar 11, 2024
2.20.2a1
Mar 11, 2024
2.20.2a0
Mar 11, 2024
2.20.1
Mar 11, 2024
2.20.0
Mar 08, 2024
2.20.0a5
Mar 08, 2024
2.20.0a4
Mar 05, 2024
2.20.0a3
Mar 05, 2024
2.20.0a2
Mar 05, 2024
2.20.0a1
Mar 05, 2024
2.20.0a0
Mar 04, 2024
2.19.3
Mar 07, 2024
2.19.3a0
Mar 06, 2024
2.19.2
Mar 05, 2024
2.19.1
Feb 29, 2024
2.19.0
Feb 29, 2024
2.18.4
Feb 29, 2024
2.18.3
Feb 28, 2024
2.18.2
Feb 27, 2024
2.18.1
Feb 27, 2024
2.18.0
Feb 27, 2024
2.17.0
Feb 27, 2024
2.16.2
Feb 22, 2024
2.16.1
Feb 22, 2024
2.16.1a0
Feb 22, 2024
2.16.0
Feb 21, 2024
2.15.1
Feb 21, 2024
2.15.0
Feb 21, 2024
2.14.0
Feb 20, 2024
2.14.0a3
Feb 20, 2024
2.14.0a2
Feb 20, 2024
2.14.0a1
Feb 20, 2024
2.14.0a0
Feb 20, 2024
2.13.4
Feb 16, 2024
2.13.4a1
Feb 15, 2024
2.13.4a0
Feb 15, 2024
2.13.3
Feb 14, 2024
2.13.3a0
Feb 14, 2024
2.13.2
Feb 13, 2024
2.13.1
Feb 13, 2024
2.13.0
Feb 13, 2024
2.12.0
Feb 12, 2024
2.11.0
Feb 09, 2024
2.11.0a0
Feb 09, 2024
2.10.2a0
Feb 09, 2024
2.10.1
Feb 07, 2024
2.10.0
Feb 07, 2024
2.9.2
Feb 07, 2024
2.9.1
Feb 06, 2024
2.9.1a0
Feb 06, 2024
2.9.0
Feb 05, 2024
2.8.0
Feb 05, 2024
2.8.0a0
Feb 05, 2024
2.7.6
Feb 01, 2024
2.7.5
Feb 01, 2024
2.7.4
Feb 01, 2024
2.7.3
Jan 29, 2024
2.7.2
Jan 29, 2024
2.7.2b0
Jan 29, 2024
2.7.2a1
Jan 29, 2024
2.7.2a0
Jan 29, 2024
2.7.1
Jan 25, 2024
2.7.1a0
Jan 25, 2024
2.7.0
Jan 24, 2024
2.6.4
Jan 18, 2024
2.6.3
Jan 17, 2024
2.6.2
Jan 17, 2024
2.6.1
Jan 17, 2024
2.6.0
Jan 10, 2024
2.5.0
Jan 05, 2024
2.4.2
Jan 03, 2024
2.4.1
Jan 03, 2024
2.4.0
Jan 03, 2024
2.3.1
Jan 02, 2024
2.3.0
Dec 31, 2023
2.2.3a0
Dec 30, 2023
2.2.2
Dec 27, 2023
2.2.2a0
Dec 27, 2023
2.2.1
Dec 22, 2023
2.2.0
Dec 22, 2023
2.1.1
Dec 21, 2023
2.1.0
Dec 21, 2023
2.0.1
Dec 17, 2023
2.0.0a5
Dec 17, 2023
2.0.0a4
Dec 15, 2023
2.0.0a3
Dec 15, 2023
2.0.0a2
Dec 14, 2023
2.0.0a1
Dec 13, 2023
2.0.0a0
Dec 08, 2023
1.14.0
Dec 13, 2023
1.13.4
Dec 12, 2023
1.13.4a1
Dec 12, 2023
1.13.4a0
Dec 12, 2023
1.13.3
Dec 12, 2023
1.13.3a0
Dec 12, 2023
1.13.2
Dec 12, 2023
1.13.1
Dec 12, 2023
1.13.0
Dec 05, 2023
1.12.0
Dec 05, 2023
1.11.0
Dec 04, 2023
1.10.0
Dec 01, 2023
1.9.3
Nov 30, 2023
1.9.2
Nov 25, 2023
1.9.2a0
Nov 25, 2023
1.9.1
Nov 25, 2023
1.9.0
Nov 25, 2023
1.8.2
Nov 23, 2023
1.8.0
Nov 23, 2023
1.7.5
Nov 22, 2023
1.7.4
Nov 22, 2023
1.7.3
Nov 22, 2023
1.7.2
Nov 21, 2023
1.7.1
Nov 21, 2023
1.7.0
Nov 20, 2023
1.6.1
Nov 20, 2023
1.6.0
Nov 20, 2023
1.5.0
Nov 17, 2023
1.4.1
Nov 16, 2023
1.4.0
Nov 16, 2023
1.3.1a1
Nov 16, 2023
1.3.1a0
Nov 16, 2023
1.3.0
Nov 16, 2023
1.2.1
Nov 16, 2023
1.1.16
Nov 16, 2023
1.1.16a3
Nov 16, 2023
1.1.16a2
Nov 15, 2023
1.1.16a1
Nov 15, 2023
1.1.16a0
Nov 15, 2023
1.1.15
Nov 15, 2023
1.1.15a0
Nov 15, 2023
1.1.14
Nov 13, 2023
1.1.13
Nov 13, 2023
1.1.12
Nov 12, 2023
1.1.12a0
Nov 12, 2023
1.1.11
Nov 03, 2023
1.1.10
Nov 03, 2023
1.1.9
Nov 01, 2023
1.1.8
Oct 31, 2023
1.1.7
Oct 31, 2023
1.1.6
Oct 27, 2023
1.1.6a0
Oct 26, 2023
1.1.5
Oct 26, 2023
1.1.5a0
Oct 26, 2023
1.1.4
Oct 25, 2023
1.1.4a0
Oct 25, 2023
1.1.3
Oct 25, 2023
1.1.3a1
Oct 25, 2023
1.1.3a0
Oct 25, 2023
1.1.2
Oct 24, 2023
1.1.2a4
Oct 24, 2023
1.1.2a3
Oct 24, 2023
1.1.2a2
Oct 24, 2023
1.1.2a1
Oct 24, 2023
1.1.2a0
Oct 24, 2023
1.1.1
Oct 23, 2023
1.1.1a0
Oct 23, 2023
1.1.0
Oct 23, 2023
1.0.41
Oct 21, 2023
1.0.40
Oct 19, 2023
1.0.40a2
Oct 19, 2023
1.0.40a1
Oct 19, 2023
1.0.40a0
Oct 19, 2023
1.0.39
Oct 19, 2023
1.0.39a0
Oct 17, 2023
1.0.38
Oct 17, 2023
1.0.37
Oct 16, 2023
1.0.36
Oct 14, 2023
1.0.36a0
Oct 13, 2023
1.0.35
Oct 09, 2023
1.0.34
Oct 09, 2023
1.0.34a2
Oct 06, 2023
1.0.34a1
Oct 06, 2023
1.0.34a0
Oct 06, 2023
1.0.33
Oct 06, 2023
1.0.32
Oct 06, 2023
1.0.31
Oct 05, 2023
1.0.30
Sep 28, 2023
1.0.29
Sep 28, 2023
1.0.28
Sep 27, 2023
1.0.27
Sep 27, 2023
1.0.26
Sep 26, 2023
1.0.25
Sep 25, 2023
1.0.25a1
Sep 25, 2023
1.0.25a0
Sep 25, 2023
1.0.24
Sep 15, 2023
1.0.23
Sep 15, 2023
1.0.22
Sep 14, 2023
1.0.21
Sep 13, 2023
1.0.20
Sep 13, 2023
1.0.19
Sep 12, 2023
1.0.18
Sep 11, 2023
1.0.17
Sep 07, 2023
1.0.16
Sep 07, 2023
1.0.15
Aug 30, 2023
1.0.15a0
Aug 30, 2023
1.0.14
Aug 30, 2023
1.0.13
Aug 30, 2023
1.0.12
Aug 29, 2023
1.0.11
Aug 29, 2023
1.0.10
Aug 28, 2023
1.0.8
Aug 24, 2023
1.0.7
Aug 24, 2023
1.0.7a0
Aug 23, 2023
1.0.6
Aug 18, 2023
1.0.5
Aug 18, 2023
1.0.4
Aug 18, 2023
1.0.3
Aug 16, 2023
1.0.2
Aug 15, 2023
1.0.1a0
Aug 15, 2023
1.0.0
Aug 11, 2023
0.0.77a0
Aug 11, 2023
0.0.76
Aug 11, 2023
0.0.76a0
Aug 11, 2023
0.0.75
Aug 03, 2023
0.0.74
Aug 03, 2023
0.0.73
Aug 03, 2023
0.0.72
Aug 02, 2023
0.0.71
Aug 02, 2023
0.0.70
Aug 02, 2023
0.0.69
Aug 02, 2023
0.0.68
Aug 02, 2023
0.0.67
Aug 02, 2023
0.0.66
Jul 28, 2023
0.0.65
Jul 28, 2023
0.0.64
Jul 28, 2023
0.0.63
Jul 28, 2023
0.0.62
Jul 28, 2023
0.0.61
Jul 28, 2023
0.0.60
Jul 28, 2023
0.0.59
Jul 27, 2023
0.0.58
Jul 27, 2023
0.0.57
Jul 27, 2023
0.0.56
Jul 27, 2023
0.0.55
Jul 27, 2023
0.0.54
Jul 26, 2023
0.0.53
Jul 25, 2023
0.0.52
Jul 25, 2023
0.0.51
Jul 25, 2023
0.0.50
Jul 25, 2023
0.0.49
Jul 25, 2023
0.0.48
Jul 25, 2023
0.0.47
Jul 25, 2023
0.0.46
Jul 25, 2023
0.0.45
Jul 25, 2023
0.0.44
Jul 25, 2023
0.0.43
Jul 25, 2023
0.0.42
Jul 25, 2023
0.0.41
Jul 25, 2023
0.0.40
Jul 19, 2023
0.0.39
Jul 19, 2023
0.0.38
Jul 19, 2023
0.0.37
Jul 19, 2023
0.0.36
Jul 19, 2023
0.0.35
Jul 19, 2023
0.0.34
Jul 18, 2023
0.0.33
Jul 18, 2023
0.0.32
Jul 18, 2023
0.0.31
Jul 18, 2023
0.0.30
Jul 18, 2023
0.0.29
Jul 18, 2023
0.0.28
Jul 18, 2023
0.0.27
Jul 18, 2023
0.0.26
Jul 18, 2023
0.0.25
Jul 18, 2023
0.0.24
Jul 18, 2023
0.0.23
Jul 18, 2023
0.0.22
Jul 18, 2023
0.0.21
Jul 18, 2023
0.0.20
Jul 18, 2023
0.0.19
Jul 18, 2023
0.0.18
Jul 18, 2023
0.0.17
Jul 18, 2023
0.0.16
Jul 18, 2023
0.0.15
Jul 18, 2023
0.0.14
Jul 18, 2023
0.0.12
Jul 18, 2023
0.0.11
Jul 18, 2023
0.0.10
Jul 18, 2023
0.0.9
Jul 17, 2023
0.0.8
Jul 17, 2023
0.0.7
Jul 12, 2023
0.0.6
Jul 12, 2023
0.0.5
Jul 12, 2023
0.0.4
Jul 12, 2023
0.0.3
Jul 12, 2023
0.0.2
Jul 12, 2023
0.0.1
Jul 12, 2023
