langfuse

Langfuse Python SDK - LLM observability/tracing, datasets, experiments, LLM-as-a-judge evaluation, and prompt management

Installation

In a virtualenv (see these instructions if you need to create one):

pip3 install langfuse

Dependencies

PyPI page
pypi.org/project/langfuse
Project JSON
piwheels.org/project/langfuse/json
Versions
549
Files
527
Downloads (all time)
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Downloads (last 30 days)
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Releases

Version Released Bookworm
Python 3.11		 Trixie
Python 3.13		 Files
4.15.2 2026-09-09    
4.15.1 2026-08-28    
4.15.0 2026-08-27    
4.14.6 2026-08-27    
4.14.5 2026-08-24    
4.14.4 2026-08-11    
4.14.3 2026-08-06    
4.14.2 2026-07-30    
4.14.1 2026-07-20    
4.14.0 2026-07-10    
4.13.2 2026-07-08    
4.13.1 2026-07-07    
4.13.0 2026-07-02    
4.12.0 2026-06-25    
4.11.0 2026-06-24    
4.10.0 2026-06-23    
4.9.1 2026-06-19    
4.9.0 2026-06-16    
4.8.1 2026-06-15    
4.8.0b1 pre-release 2026-06-11    
4.7.1 2026-05-29    
4.7.0 2026-05-27    
4.6.1 2026-05-08    
4.6.0b1 pre-release 2026-05-04    
4.6.0a1 pre-release 2026-05-08    
4.5.1 2026-04-24    
4.5.0 2026-04-21    
4.4.0b1 pre-release 2026-04-17    
4.3.1 2026-04-16    
4.3.0rc1 pre-release 2026-04-15    
4.2.0 2026-04-10    
4.1.0 2026-04-09    
4.0.6 2026-04-01    
4.0.5 2026-04-01    
4.0.4 2026-03-30    
4.0.3 2026-03-30    
4.0.2 2026-03-30    
4.0.1 2026-03-19    
4.0.0 2026-03-10    
4.0.0b1 pre-release 2026-02-24    
3.15.0 2026-05-21    
3.14.6 2026-04-01    
3.14.5 2026-02-23    
3.14.4 2026-02-19    
3.14.3 2026-02-17    
3.14.2 2026-02-16    
3.14.1 2026-02-09    
3.14.0 2026-02-09    
3.13.0 2026-02-06    
3.12.1 2026-01-27    
3.12.0 2026-01-13    
3.11.2 2025-12-23    
3.11.1 2025-12-19    
3.11.0 2025-12-17    
3.10.7 2025-12-16    
3.10.6 2025-12-12    
3.10.5 2025-12-03    
3.10.4 2025-12-03    
3.10.4a1 pre-release 2025-12-03    
3.10.3 2025-12-01    
3.10.2 2025-12-01    
3.10.1 2025-11-19    
3.10.0 2025-11-14    
3.9.4a0 pre-release 2025-11-13    
3.9.3 2025-11-12    
3.9.3a1 pre-release 2025-11-12    
3.9.3a0 pre-release 2025-11-12    
3.9.2 2025-11-11    
3.9.1 2025-11-06    
3.9.0 2025-11-03    
3.8.1 2025-10-22    
3.8.0 2025-10-20    
3.7.0 2025-10-16    
3.6.2 2025-10-10    
3.6.1 2025-10-02    
3.6.0 2025-10-01    
3.5.2 2025-09-28    
3.5.1 2025-09-25    
3.5.0 2025-09-18    
3.4.0 2025-09-17    
3.3.5 2025-09-16    
3.3.4 2025-09-02    
3.3.3 2025-09-01    
3.3.2 2025-08-27    
3.3.1 2025-08-26    
3.3.0 2025-08-19    
3.2.8 2025-08-18    
3.2.7 2025-08-15    
3.2.6 2025-08-14    
3.2.5 2025-08-14    
3.2.4 2025-08-12    
3.2.3 2025-08-08    
3.2.2 2025-08-05    
3.2.1 2025-07-16    
3.2.0 2025-07-14    
3.1.3 2025-07-07    
3.1.2 2025-07-04    
3.1.1 2025-07-02    
3.1.0 2025-07-02    
3.0.9 2025-07-01    
3.0.8 2025-06-29    
3.0.7 2025-06-27    
3.0.6 2025-06-26    
3.0.5 2025-06-24    
3.0.4 2025-06-23    
3.0.3 2025-06-18    
3.0.2 2025-06-16    
3.0.1 2025-06-11    
3.0.0 2025-06-05    
3.0.0b5 pre-release 2025-06-04    
3.0.0b3 pre-release 2025-05-28    
3.0.0b2 pre-release 2025-05-22    
3.0.0b1 pre-release 2025-05-20    
3.0.0a4 pre-release 2025-06-03    
2.60.10 2025-09-16    
2.60.9 2025-06-29    
2.60.8 2025-06-03    
2.60.7 2025-05-27    
2.60.6 2025-05-26    
2.60.5 2025-05-15    
2.60.4 2025-05-06    
2.60.3 2025-04-15    
2.60.2 2025-03-24    
2.60.1 2025-03-21    
2.60.0 2025-03-17    
2.59.7 2025-03-03    
2.59.6 2025-02-28    
2.59.5 2025-02-26    
2.59.4 2025-02-25    
2.59.3 2025-02-12    
2.59.2 2025-02-10    
2.59.1 2025-02-05    
2.59.0 2025-02-05    
2.58.2 2025-02-03    
2.58.1 2025-01-31    
2.58.0 2025-01-28    
2.57.13 2025-01-27    
2.57.13a0 pre-release 2025-01-24    
2.57.12 2025-01-22    
2.57.11 2025-01-20    
2.57.10 2025-01-15    
2.57.9 2025-01-15    
2.57.8 2025-01-14    
2.57.7 2025-01-14    
2.57.6 2025-01-13    
2.57.5 2025-01-06    
2.57.4 2025-01-02    
2.57.3 2025-01-02    
2.57.2 2024-12-27    
2.57.1 2024-12-22    
2.57.0 2024-12-16    
2.56.2 2024-12-12    
2.56.1 2024-12-10    
2.56.0 2024-12-05    
2.55.0 2024-11-28    
2.54.1 2024-11-20    
2.54.0 2024-11-20    
2.53.10a0 pre-release 2024-11-18    
2.53.9 2024-11-06    
2.53.8 2024-11-05    
2.53.7 2024-11-05    
2.53.6 2024-11-05    
2.53.5 2024-11-04    
2.53.4 2024-11-04    
2.53.3 2024-10-29    
2.53.2 2024-10-28    
2.53.1 2024-10-25    
2.53.0 2024-10-25    
2.52.2 2024-10-22    
2.52.1 2024-10-17
2.52.0 2024-10-09
2.51.5 2024-10-09    
2.51.4 2024-10-07    
2.51.3 2024-10-03    
2.51.2 2024-09-27    
2.51.1 2024-09-26    
2.51.0 2024-09-25    
2.50.3 2024-09-23    
2.50.2 2024-09-19
2.50.1 2024-09-19
2.50.0 2024-09-18    
2.49.0 2024-09-17    
2.48.1 2024-09-13    
2.48.0 2024-09-10    
2.47.1 2024-09-09    
2.47.0 2024-09-06    
2.46.3 2024-09-05    
2.46.3a0 pre-release 2024-09-05    
2.46.2 2024-09-05    
2.46.1 2024-09-05    
2.46.0 2024-09-03    
2.45.3a0 pre-release 2024-09-03    
2.45.2 2024-09-02    
2.45.1 2024-08-29    
2.45.0 2024-08-28    
2.44.1 2024-08-22    
2.44.0 2024-08-20    
2.43.3 2024-08-11    
2.43.2 2024-08-11    
2.43.2a0 pre-release 2024-08-11    
2.43.1 2024-08-08    
2.43.0 2024-08-07    
2.42.1 2024-08-06    
2.42.0 2024-08-06    
2.41.0 2024-08-05    
2.40.3a0 pre-release 2024-08-05    
2.40.2a0 pre-release 2024-08-05    
2.40.1a0 pre-release 2024-08-05    
2.40.0 2024-07-30    
2.39.3 2024-07-22    
2.39.2 2024-07-18    
2.39.1 2024-07-11    
2.39.0 2024-07-10    
2.38.1 2024-07-08    
2.38.0 2024-07-04    
2.37.0 2024-07-02    
2.36.2 2024-06-20    
2.36.1 2024-06-11    
2.36.0 2024-06-11    
2.35.2 2024-06-07    
2.35.0 2024-06-06    
2.34.2 2024-06-05    
2.34.1 2024-06-05    
2.34.0 2024-06-05    
2.33.1 2024-05-30    
2.33.1a0 pre-release 2024-05-22    
2.33.0 2024-05-21    
2.32.0 2024-05-17    
2.31.0 2024-05-15    
2.30.0 2024-05-10    
2.29.3 2024-05-08    
2.29.3a0 pre-release 2024-05-08    
2.29.2 2024-05-08    
2.29.1 2024-05-07    
2.29.0 2024-05-03    
2.28.2 2024-05-02    
2.28.1 2024-05-02    
2.28.1a0 pre-release 2024-05-02    
2.28.0 2024-05-01
2.27.3 2024-04-29    
2.27.2 2024-04-26    
2.27.1 2024-04-22    
2.27.0 2024-04-18    
2.26.3 2024-04-17    
2.26.2 2024-04-16    
2.26.1 2024-04-13    
2.26.0 2024-04-12    
2.25.0 2024-04-11    
2.24.0 2024-04-10    
2.23.2 2024-04-10    
2.23.1 2024-04-09    
2.23.0 2024-04-09    
2.22.0 2024-04-08    
2.21.3 2024-04-04    
2.21.3a1 pre-release 2024-04-04    
2.21.2 2024-04-03    
2.21.1 2024-03-24    
2.21.0 2024-03-20    
2.20.4 2024-03-18    
2.20.3 2024-03-15    
2.20.2 2024-03-15    
2.20.2a3 pre-release 2024-03-14    
2.20.2a2 pre-release 2024-03-11    
2.20.2a1 pre-release 2024-03-11    
2.20.2a0 pre-release 2024-03-11    
2.20.1 2024-03-11    
2.20.0 2024-03-08    
2.20.0a5 pre-release 2024-03-08    
2.20.0a4 pre-release 2024-03-05    
2.20.0a3 pre-release 2024-03-05    
2.20.0a2 pre-release 2024-03-05    
2.20.0a1 pre-release 2024-03-05    
2.20.0a0 pre-release 2024-03-04    
2.19.3 2024-03-07    
2.19.3a0 pre-release 2024-03-06    
2.19.2 2024-03-05    
2.19.1 2024-02-29    
2.19.0 2024-02-29    
2.18.4 2024-02-29    
2.18.3 2024-02-28    
2.18.2 2024-02-27    
2.18.1 2024-02-27    
2.18.0 2024-02-27    
2.17.0 2024-02-27    
2.16.2 2024-02-22    
2.16.1 2024-02-22    
2.16.1a0 pre-release 2024-02-22    
2.16.0 2024-02-21    
2.15.1 2024-02-21    
2.15.0 2024-02-21    
2.14.0 2024-02-20    
2.14.0a3 pre-release 2024-02-20    
2.14.0a2 pre-release 2024-02-20    
2.14.0a1 pre-release 2024-02-20    
2.14.0a0 pre-release 2024-02-20    
2.13.4 2024-02-16    
2.13.4a1 pre-release 2024-02-15    
2.13.4a0 pre-release 2024-02-15    
2.13.3 2024-02-14    
2.13.3a0 pre-release 2024-02-14    
2.13.2 2024-02-13    
2.13.1 2024-02-13    
2.13.0 2024-02-13    
2.12.0 2024-02-12    
2.11.0 2024-02-09    
2.11.0a0 pre-release 2024-02-09    
2.10.2a0 pre-release 2024-02-09    
2.10.1 2024-02-07    
2.10.0 2024-02-07    
2.9.2 2024-02-07    
2.9.1 2024-02-06    
2.9.1a0 pre-release 2024-02-06    
2.9.0 2024-02-05    
2.8.0 2024-02-05    
2.8.0a0 pre-release 2024-02-05    
2.7.6 2024-02-01    
2.7.5 2024-02-01    
2.7.4 2024-02-01    
2.7.3 2024-01-29    
2.7.2 2024-01-29    
2.7.2b0 pre-release 2024-01-29    
2.7.2a1 pre-release 2024-01-29    
2.7.2a0 pre-release 2024-01-29    
2.7.1 yanked 2024-01-25    
2.7.1a0 pre-release 2024-01-25    
2.7.0 2024-01-24    
2.6.4 2024-01-18    
2.6.3 2024-01-17    
2.6.2 2024-01-17    
2.6.1 2024-01-17    
2.6.0 2024-01-10    
2.5.0 2024-01-05    
2.4.2 2024-01-03    
2.4.1 2024-01-03    
2.4.0 2024-01-03    
2.3.1 2024-01-02    
2.3.0 2023-12-31    
2.2.3a0 pre-release 2023-12-30    
2.2.2 2023-12-27    
2.2.2a0 pre-release 2023-12-27    
2.2.1 2023-12-22    
2.2.0 2023-12-22    
2.1.1 2023-12-21    
2.1.0 2023-12-21    
2.0.1 2023-12-17    
2.0.0a5 pre-release 2023-12-17    
2.0.0a4 pre-release 2023-12-15    
2.0.0a3 pre-release 2023-12-15    
2.0.0a2 pre-release 2023-12-14    
2.0.0a1 pre-release 2023-12-13    
2.0.0a0 pre-release 2023-12-08    
1.14.0 2023-12-13    
1.13.4 2023-12-12    
1.13.4a1 pre-release 2023-12-12    
1.13.4a0 pre-release 2023-12-12    
1.13.3 2023-12-12    
1.13.3a0 pre-release 2023-12-12    
1.13.2 2023-12-12    
1.13.1 2023-12-12    
1.13.0 2023-12-05    
1.12.0 2023-12-05    
1.11.0 2023-12-04    
1.10.0 2023-12-01    
1.9.3 2023-11-30    
1.9.2 2023-11-25    
1.9.2a0 pre-release 2023-11-25    
1.9.1 2023-11-25    
1.9.0 2023-11-25    
1.8.2 2023-11-23    
1.8.0 2023-11-23    
1.7.5 2023-11-22    
1.7.4 2023-11-22    
1.7.3 2023-11-22    
1.7.2 2023-11-21    
1.7.1 2023-11-21    
1.7.0 2023-11-20    
1.6.1 2023-11-20    
1.6.0 2023-11-20    
1.5.0 2023-11-17    
1.4.1 2023-11-16    
1.4.0 2023-11-16    
1.3.1a1 pre-release 2023-11-16    
1.3.1a0 pre-release 2023-11-16    
1.3.0 2023-11-16    
1.2.1 2023-11-16    
1.1.16 yanked 2023-11-16    
1.1.16a3 pre-release 2023-11-16    
1.1.16a2 pre-release 2023-11-15    
1.1.16a1 pre-release 2023-11-15    
1.1.16a0 pre-release 2023-11-15    
1.1.15 2023-11-15    
1.1.15a0 pre-release 2023-11-15    
1.1.14 2023-11-13    
1.1.13 2023-11-13    
1.1.12 2023-11-12    
1.1.12a0 pre-release 2023-11-12    
1.1.11 2023-11-03    
1.1.10 2023-11-03    
1.1.9 2023-11-01    
1.1.8 2023-10-31    
1.1.7 2023-10-31    
1.1.6 2023-10-27    
1.1.6a0 pre-release 2023-10-26    
1.1.5 2023-10-26    
1.1.5a0 pre-release 2023-10-26    
1.1.4 2023-10-25    
1.1.4a0 pre-release 2023-10-25    
1.1.3 2023-10-25    
1.1.3a1 pre-release 2023-10-25    
1.1.3a0 pre-release 2023-10-25    
1.1.2 2023-10-24    
1.1.2a4 pre-release 2023-10-24    
1.1.2a3 pre-release 2023-10-24    
1.1.2a2 pre-release 2023-10-24    
1.1.2a1 pre-release 2023-10-24    
1.1.2a0 pre-release 2023-10-24    
1.1.1 2023-10-23    
1.1.1a0 pre-release 2023-10-23    
1.1.0 yanked 2023-10-23    
1.0.41 2023-10-21    
1.0.40 2023-10-19    
1.0.40a2 pre-release 2023-10-19    
1.0.40a1 pre-release 2023-10-19    
1.0.40a0 pre-release 2023-10-19    
1.0.39 2023-10-19    
1.0.39a0 pre-release 2023-10-17    
1.0.38 2023-10-17    
1.0.37 2023-10-16    
1.0.36 2023-10-14    
1.0.36a0 pre-release 2023-10-13    
1.0.35 2023-10-09    
1.0.34 2023-10-09    
1.0.34a2 pre-release 2023-10-06    
1.0.34a1 pre-release 2023-10-06    
1.0.34a0 pre-release 2023-10-06    
1.0.33 2023-10-06    
1.0.32 2023-10-06
1.0.31 2023-10-05    
1.0.30 2023-09-28    
1.0.29 2023-09-28    
1.0.28 2023-09-27    
1.0.27 2023-09-27    
1.0.26 2023-09-26    
1.0.25 2023-09-25    
1.0.25a1 pre-release 2023-09-25    
1.0.25a0 pre-release 2023-09-25    
1.0.24 2023-09-15    
1.0.23 2023-09-15    
1.0.22 2023-09-14    
1.0.21 2023-09-13    
1.0.20 2023-09-13    
1.0.19 2023-09-12    
1.0.18 2023-09-11    
1.0.17 2023-09-07
1.0.16 2023-09-07
1.0.15 2023-08-30
1.0.15a0 pre-release 2023-08-30
1.0.14 2023-08-30
1.0.13 2023-08-30
1.0.12 2023-08-29
1.0.11 2023-08-29
1.0.10 2023-08-28
1.0.8 2023-08-24
1.0.7 2023-08-24
1.0.7a0 pre-release 2023-08-23
1.0.6 2023-08-18
1.0.5 2023-08-18
1.0.4 2023-08-18
1.0.3 2023-08-16
1.0.2 2023-08-15
1.0.1a0 pre-release 2023-08-15
1.0.0 2023-08-11
0.0.77a0 pre-release 2023-08-11
0.0.76 2023-08-11
0.0.76a0 pre-release 2023-08-11
0.0.75 2023-08-03
0.0.74 2023-08-03
0.0.73 2023-08-03
0.0.72 2023-08-02
0.0.71 2023-08-02
0.0.70 2023-08-02
0.0.69 2023-08-02
0.0.68 2023-08-02
0.0.67 2023-08-02
0.0.66 2023-07-28
0.0.65 2023-07-28
0.0.64 2023-07-28
0.0.63 2023-07-28
0.0.62 2023-07-28
0.0.61 2023-07-28
0.0.60 2023-07-28
0.0.59 2023-07-27
0.0.58 2023-07-27
0.0.57 2023-07-27
0.0.56 2023-07-27
0.0.55 2023-07-27
0.0.54 2023-07-26
0.0.53 2023-07-25
0.0.52 2023-07-25
0.0.51 2023-07-25
0.0.50 2023-07-25
0.0.49 2023-07-25
0.0.48 2023-07-25
0.0.47 2023-07-25
0.0.46 2023-07-25
0.0.45 2023-07-25
0.0.44 2023-07-25
0.0.43 2023-07-25
0.0.42 2023-07-25
0.0.41 2023-07-25
0.0.40 2023-07-19
0.0.39 2023-07-19
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0.0.37 2023-07-19
0.0.36 2023-07-19
0.0.35 2023-07-19
0.0.34 2023-07-18
0.0.33 2023-07-18
0.0.32 2023-07-18
0.0.31 2023-07-18
0.0.30 2023-07-18
0.0.29 2023-07-18
0.0.28 2023-07-18
0.0.27 2023-07-18
0.0.26 2023-07-18
0.0.25 2023-07-18
0.0.24 2023-07-18
0.0.23 2023-07-18
0.0.22 2023-07-18
0.0.21 2023-07-18
0.0.20 2023-07-18
0.0.19 2023-07-18
0.0.18 2023-07-18
0.0.17 2023-07-18
0.0.16 2023-07-18
0.0.15 2023-07-18
0.0.14 2023-07-18
0.0.12 2023-07-18
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0.0.10 2023-07-18
0.0.9 2023-07-17
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0.0.7 2023-07-12
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0.0.5 2023-07-12
0.0.4 2023-07-12
0.0.3 2023-07-12
0.0.2 2023-07-12
0.0.1 2023-07-12

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