diff --git a/README.md b/README.md
index 69ebdb4..a43e5c8 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
-GenAI Impact
+Ecologits
 ============
 
-**GenAI Impact** tracks and estimates the energy consumption and environmental impacts of using generative AI models through APIs.
+**Ecologits** tracks and estimates the energy consumption and environmental impacts of using generative AI models through APIs.
 
 
 ## ⚙️ Installation
@@ -11,10 +11,10 @@ Coming soon...
 ## 🚀 Usage
 
 ```python
-from genai_impact import Tracer
+from ecologits import Ecologits
 from openai import OpenAI
 
-Tracer.init()
+Ecologits.init()
 
 client = OpenAI(
     api_key="<OPENAI_API_KEY>",
@@ -33,7 +33,7 @@ print(response.impacts)        # Impacts(energy=0.025, energy_unit='Wh', ...)
 
 
 
-See package documentation on [GenAI Impact](<link-to-mkdocs-material>)
+See package documentation on [Ecologits](<link-to-mkdocs-material>)
 
 ## 💪 Contributing
 
diff --git a/ecologits/__init__.py b/ecologits/__init__.py
new file mode 100644
index 0000000..e2d5a1d
--- /dev/null
+++ b/ecologits/__init__.py
@@ -0,0 +1,3 @@
+from .ecologits import Ecologits
+
+__all__ = ["Ecologits"]
diff --git a/genai_impact/data/models.csv b/ecologits/data/models.csv
similarity index 100%
rename from genai_impact/data/models.csv
rename to ecologits/data/models.csv
diff --git a/genai_impact/tracer.py b/ecologits/ecologits.py
similarity index 69%
rename from genai_impact/tracer.py
rename to ecologits/ecologits.py
index 7f56bcc..d714de9 100644
--- a/genai_impact/tracer.py
+++ b/ecologits/ecologits.py
@@ -1,17 +1,17 @@
 import importlib.util
 
-from genai_impact.exceptions import TracerInitializationError
+from ecologits.exceptions import TracerInitializationError
 
 
-class Tracer:
+class Ecologits:
     initialized = False
 
     @staticmethod
     def init() -> None:
-        if Tracer.initialized:
+        if Ecologits.initialized:
             raise TracerInitializationError()
         init_instruments()
-        Tracer.initialized = True
+        Ecologits.initialized = True
 
 
 def init_instruments() -> None:
@@ -22,7 +22,7 @@ def init_instruments() -> None:
 
 def init_openai_instrumentor() -> None:
     if importlib.util.find_spec("openai") is not None:
-        from genai_impact.tracers.openai_tracer import OpenAIInstrumentor
+        from ecologits.tracers.openai_tracer import OpenAIInstrumentor
 
         instrumentor = OpenAIInstrumentor()
         instrumentor.instrument()
@@ -30,7 +30,7 @@ def init_openai_instrumentor() -> None:
 
 def init_anthropic_instrumentor() -> None:
     if importlib.util.find_spec("anthropic") is not None:
-        from genai_impact.tracers.anthropic_tracer import AnthropicInstrumentor
+        from ecologits.tracers.anthropic_tracer import AnthropicInstrumentor
 
         instrumentor = AnthropicInstrumentor()
         instrumentor.instrument()
@@ -38,7 +38,7 @@ def init_anthropic_instrumentor() -> None:
 
 def init_mistralai_instrumentor() -> None:
     if importlib.util.find_spec("mistralai") is not None:
-        from genai_impact.tracers.mistralai_tracer import MistralAIInstrumentor
+        from ecologits.tracers.mistralai_tracer import MistralAIInstrumentor
 
         instrumentor = MistralAIInstrumentor()
         instrumentor.instrument()
diff --git a/ecologits/exceptions.py b/ecologits/exceptions.py
new file mode 100644
index 0000000..770ced0
--- /dev/null
+++ b/ecologits/exceptions.py
@@ -0,0 +1,7 @@
+class EcologitsError(Exception):
+    pass
+
+
+class TracerInitializationError(EcologitsError):
+    """Tracer is initialized twice"""
+    pass
diff --git a/genai_impact/impacts/__init__.py b/ecologits/impacts/__init__.py
similarity index 100%
rename from genai_impact/impacts/__init__.py
rename to ecologits/impacts/__init__.py
diff --git a/genai_impact/impacts/dag.py b/ecologits/impacts/dag.py
similarity index 100%
rename from genai_impact/impacts/dag.py
rename to ecologits/impacts/dag.py
diff --git a/genai_impact/impacts/llm.py b/ecologits/impacts/llm.py
similarity index 98%
rename from genai_impact/impacts/llm.py
rename to ecologits/impacts/llm.py
index 5d34163..a60c8eb 100644
--- a/genai_impact/impacts/llm.py
+++ b/ecologits/impacts/llm.py
@@ -1,8 +1,8 @@
 from math import ceil
 from typing import Optional
 
-from genai_impact.impacts.dag import DAG
-from genai_impact.impacts.models import GWP, PE, ADPe, Embodied, Energy, Impacts, Usage
+from ecologits.impacts.dag import DAG
+from ecologits.impacts.models import GWP, PE, ADPe, Embodied, Energy, Impacts, Usage
 
 MODEL_QUANTIZATION_BITS = 4
 
diff --git a/genai_impact/impacts/models.py b/ecologits/impacts/models.py
similarity index 100%
rename from genai_impact/impacts/models.py
rename to ecologits/impacts/models.py
diff --git a/genai_impact/model_repository.py b/ecologits/model_repository.py
similarity index 100%
rename from genai_impact/model_repository.py
rename to ecologits/model_repository.py
diff --git a/genai_impact/tracers/__init__.py b/ecologits/tracers/__init__.py
similarity index 100%
rename from genai_impact/tracers/__init__.py
rename to ecologits/tracers/__init__.py
diff --git a/genai_impact/tracers/anthropic_tracer.py b/ecologits/tracers/anthropic_tracer.py
similarity index 98%
rename from genai_impact/tracers/anthropic_tracer.py
rename to ecologits/tracers/anthropic_tracer.py
index ab0ec13..603d3d8 100644
--- a/genai_impact/tracers/anthropic_tracer.py
+++ b/ecologits/tracers/anthropic_tracer.py
@@ -5,8 +5,8 @@
 from typing_extensions import override
 from wrapt import wrap_function_wrapper
 
-from genai_impact.impacts.models import Impacts
-from genai_impact.tracers.utils import compute_llm_impacts
+from ecologits.impacts.models import Impacts
+from ecologits.tracers.utils import compute_llm_impacts
 
 try:
     from anthropic import Anthropic, AsyncAnthropic
diff --git a/genai_impact/tracers/mistralai_tracer.py b/ecologits/tracers/mistralai_tracer.py
similarity index 97%
rename from genai_impact/tracers/mistralai_tracer.py
rename to ecologits/tracers/mistralai_tracer.py
index b6c0704..7687ee9 100644
--- a/genai_impact/tracers/mistralai_tracer.py
+++ b/ecologits/tracers/mistralai_tracer.py
@@ -3,8 +3,8 @@
 
 from wrapt import wrap_function_wrapper
 
-from genai_impact.impacts.models import Impacts
-from genai_impact.tracers.utils import compute_llm_impacts
+from ecologits.impacts.models import Impacts
+from ecologits.tracers.utils import compute_llm_impacts
 
 try:
     from mistralai.async_client import MistralAsyncClient
diff --git a/genai_impact/tracers/openai_tracer.py b/ecologits/tracers/openai_tracer.py
similarity index 98%
rename from genai_impact/tracers/openai_tracer.py
rename to ecologits/tracers/openai_tracer.py
index bc264bf..0453d0b 100644
--- a/genai_impact/tracers/openai_tracer.py
+++ b/ecologits/tracers/openai_tracer.py
@@ -7,8 +7,8 @@
 from openai.types.chat import ChatCompletionChunk as _ChatCompletionChunk
 from wrapt import wrap_function_wrapper
 
-from genai_impact.impacts import Impacts
-from genai_impact.tracers.utils import compute_llm_impacts
+from ecologits.impacts import Impacts
+from ecologits.tracers.utils import compute_llm_impacts
 
 PROVIDER = "openai"
 
diff --git a/genai_impact/tracers/utils.py b/ecologits/tracers/utils.py
similarity index 84%
rename from genai_impact/tracers/utils.py
rename to ecologits/tracers/utils.py
index 535d5af..17ee548 100644
--- a/genai_impact/tracers/utils.py
+++ b/ecologits/tracers/utils.py
@@ -1,8 +1,8 @@
 from typing import Optional
 
-from genai_impact.impacts.llm import compute_llm_impacts as _compute_llm_impacts
-from genai_impact.impacts.models import Impacts
-from genai_impact.model_repository import models
+from ecologits.impacts.llm import compute_llm_impacts as _compute_llm_impacts
+from ecologits.impacts.models import Impacts
+from ecologits.model_repository import models
 
 
 def _avg(value_range: tuple) -> float:
diff --git a/genai_impact/__init__.py b/genai_impact/__init__.py
deleted file mode 100644
index a135463..0000000
--- a/genai_impact/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from .tracer import Tracer
-
-__all__ = ["Tracer"]
diff --git a/genai_impact/exceptions.py b/genai_impact/exceptions.py
deleted file mode 100644
index 689c8f0..0000000
--- a/genai_impact/exceptions.py
+++ /dev/null
@@ -1,7 +0,0 @@
-class GenAIImpactError(Exception):
-    pass
-
-
-class TracerInitializationError(GenAIImpactError):
-    """Tracer is initialized twice"""
-    pass
diff --git a/pyproject.toml b/pyproject.toml
index 7bc8ee8..8f5e8b5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,9 +3,9 @@ requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
-name = "genai_impact"
+name = "ecologits"
 version = "0.1.0"
-description = "GenAI Impact projet"
+description = "Ecologits tracks and estimates the energy consumption and environmental impacts of using generative AI models through APIs."
 authors = ["DataForGood"]
 license = "MIT"
 readme = "README.md"
diff --git a/tests/conftest.py b/tests/conftest.py
index 5c744e2..cbe2de0 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -2,7 +2,7 @@
 
 import pytest
 
-from genai_impact import Tracer
+from ecologits import Ecologits
 
 
 @pytest.fixture(autouse=True)
@@ -28,4 +28,4 @@ def vcr_config():
 
 @pytest.fixture(scope="session")
 def tracer_init():
-    Tracer.init()
+    Ecologits.init()
diff --git a/tests/test_compute_llm_impacts.py b/tests/test_compute_llm_impacts.py
index 91203ce..05a0f15 100644
--- a/tests/test_compute_llm_impacts.py
+++ b/tests/test_compute_llm_impacts.py
@@ -1,6 +1,6 @@
 import pytest
 
-from genai_impact.impacts.llm import compute_llm_impacts
+from ecologits.impacts.llm import compute_llm_impacts
 
 
 @pytest.mark.parametrize(
diff --git a/tests/test_model_repository.py b/tests/test_model_repository.py
index 51c3f92..442be61 100644
--- a/tests/test_model_repository.py
+++ b/tests/test_model_repository.py
@@ -1,4 +1,4 @@
-from genai_impact.model_repository import ModelRepository, Model
+from ecologits.model_repository import ModelRepository, Model
 
 
 def test_create_model_repository_default():
diff --git a/tests/test_tracer.py b/tests/test_tracer.py
index 7a0a5e8..784d422 100644
--- a/tests/test_tracer.py
+++ b/tests/test_tracer.py
@@ -1,8 +1,8 @@
 import pytest
-from genai_impact import Tracer
-from genai_impact.exceptions import GenAIImpactError
+from ecologits import Ecologits
+from ecologits.exceptions import EcologitsError
 
 
 def test_double_init(tracer_init):
-    with pytest.raises(GenAIImpactError) as e:  
-        Tracer.init()   # Second initialization
+    with pytest.raises(EcologitsError) as e:
+        Ecologits.init()   # Second initialization