diff --git a/backend/python/common-env/transformers/transformers-nvidia.yml b/backend/python/common-env/transformers/transformers-nvidia.yml
index 76c54a2e023..b9516e247f1 100644
--- a/backend/python/common-env/transformers/transformers-nvidia.yml
+++ b/backend/python/common-env/transformers/transformers-nvidia.yml
@@ -45,7 +45,7 @@ dependencies:
       - fsspec==2023.6.0
       - funcy==2.0
       - grpcio==1.59.0
-      - huggingface-hub==0.16.4
+      - huggingface-hub
       - idna==3.4
       - jinja2==3.1.2
       - jmespath==1.0.1
@@ -70,7 +70,6 @@ dependencies:
       - packaging==23.2
       - pandas
       - peft==0.5.0
-      - git+https://github.com/bigscience-workshop/petals
       - protobuf==4.24.4
       - psutil==5.9.5
       - pyarrow==13.0.0
@@ -85,12 +84,10 @@ dependencies:
       - scipy==1.11.3
       - six==1.16.0
       - sympy==1.12
-      - tokenizers==0.14.0
-      - torch==2.1.0
-      - torchaudio==2.1.0
+      - tokenizers
+      - torch==2.1.2
+      - torchaudio==2.1.2
       - tqdm==4.66.1
-      - transformers==4.34.0
-      - TTS==0.22.0
       - triton==2.1.0
       - typing-extensions==4.8.0
       - tzdata==2023.3
@@ -114,4 +111,7 @@ dependencies:
       - sudachipy
       - sudachidict_core
       - vocos
+      - vllm==0.2.7
+      - transformers>=4.36.0  # Required for Mixtral.
+      - xformers==0.0.23.post1  
 prefix: /opt/conda/envs/transformers
diff --git a/backend/python/common-env/transformers/transformers.yml b/backend/python/common-env/transformers/transformers.yml
index 116a61446ee..632952e9253 100644
--- a/backend/python/common-env/transformers/transformers.yml
+++ b/backend/python/common-env/transformers/transformers.yml
@@ -46,7 +46,7 @@ dependencies:
       - fsspec==2023.6.0
       - funcy==2.0
       - grpcio==1.59.0
-      - huggingface-hub==0.16.4
+      - huggingface-hub
       - idna==3.4
       - jinja2==3.1.2
       - jmespath==1.0.1
@@ -59,7 +59,6 @@ dependencies:
       - packaging==23.2
       - pandas
       - peft==0.5.0
-      - git+https://github.com/bigscience-workshop/petals
       - protobuf==4.24.4
       - psutil==5.9.5
       - pyarrow==13.0.0
@@ -74,11 +73,10 @@ dependencies:
       - scipy==1.11.3
       - six==1.16.0
       - sympy==1.12
-      - tokenizers==0.14.0
-      - torch==2.1.0
-      - torchaudio==2.1.0
+      - tokenizers
+      - torch==2.1.2
+      - torchaudio==2.1.2
       - tqdm==4.66.1
-      - transformers==4.34.0
       - triton==2.1.0
       - typing-extensions==4.8.0
       - tzdata==2023.3
@@ -102,4 +100,7 @@ dependencies:
       - sudachipy
       - sudachidict_core
       - vocos
+      - vllm==0.2.7
+      - transformers>=4.36.0  # Required for Mixtral.
+      - xformers==0.0.23.post1  
 prefix: /opt/conda/envs/transformers
\ No newline at end of file
diff --git a/backend/python/exllama/Makefile b/backend/python/exllama/Makefile
index 8770e5c70fb..52a180ae01e 100644
--- a/backend/python/exllama/Makefile
+++ b/backend/python/exllama/Makefile
@@ -1,8 +1,6 @@
 .PHONY: exllama
 exllama:
-	@echo "Creating virtual environment..."
-	@conda env create --name exllama --file exllama.yml
-	@echo "Virtual environment created."
+	$(MAKE) -C ../common-env/transformers
 	bash install.sh
 
 .PHONY: run
diff --git a/backend/python/exllama/install.sh b/backend/python/exllama/install.sh
index f67ce0db1fe..fea582f0d78 100755
--- a/backend/python/exllama/install.sh
+++ b/backend/python/exllama/install.sh
@@ -5,7 +5,7 @@
 export PATH=$PATH:/opt/conda/bin
 
 # Activate conda environment
-source activate exllama
+source activate transformers
 
 echo $CONDA_PREFIX
 
diff --git a/backend/python/exllama/run.sh b/backend/python/exllama/run.sh
index c1743e5700a..116d3e47f3b 100755
--- a/backend/python/exllama/run.sh
+++ b/backend/python/exllama/run.sh
@@ -6,7 +6,7 @@
 export PATH=$PATH:/opt/conda/bin
 
 # Activate conda environment
-source activate exllama
+source activate transformers
 
 # get the directory where the bash script is located
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
diff --git a/backend/python/exllama2/Makefile b/backend/python/exllama2/Makefile
index 0e42c45ab00..2415815155d 100644
--- a/backend/python/exllama2/Makefile
+++ b/backend/python/exllama2/Makefile
@@ -1,8 +1,6 @@
 .PHONY: exllama2
 exllama2:
-	@echo "Creating virtual environment..."
-	@conda env create --name exllama2 --file exllama2.yml
-	@echo "Virtual environment created."
+	$(MAKE) -C ../common-env/transformers
 	bash install.sh
 
 .PHONY: run
diff --git a/backend/python/exllama2/install.sh b/backend/python/exllama2/install.sh
index 57f77059392..11c9fa514ec 100755
--- a/backend/python/exllama2/install.sh
+++ b/backend/python/exllama2/install.sh
@@ -5,7 +5,7 @@
 export PATH=$PATH:/opt/conda/bin
 
 # Activate conda environment
-source activate exllama2
+source activate transformers
 
 echo $CONDA_PREFIX
 
diff --git a/backend/python/exllama2/run.sh b/backend/python/exllama2/run.sh
index 068172f126a..f11b6b9acff 100755
--- a/backend/python/exllama2/run.sh
+++ b/backend/python/exllama2/run.sh
@@ -6,7 +6,7 @@
 export PATH=$PATH:/opt/conda/bin
 
 # Activate conda environment
-source activate exllama2
+source activate transformers
 
 # get the directory where the bash script is located
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
diff --git a/backend/python/petals/Makefile b/backend/python/petals/Makefile
index bce64a90900..4bd07b11282 100644
--- a/backend/python/petals/Makefile
+++ b/backend/python/petals/Makefile
@@ -1,6 +1,8 @@
 .PHONY: petals
 petals:
-	$(MAKE) -C ../common-env/transformers
+	@echo "Creating virtual environment..."
+	@conda env create --name petals --file petals.yml
+	@echo "Virtual environment created."
 
 .PHONY: run
 run:
diff --git a/backend/python/petals/run.sh b/backend/python/petals/run.sh
index b436ed1ce7c..3713b9bbd12 100755
--- a/backend/python/petals/run.sh
+++ b/backend/python/petals/run.sh
@@ -5,14 +5,16 @@
 
 export PATH=$PATH:/opt/conda/bin
 
+CONDA_ENV=petals
+
 # Activate conda environment
 # if source is available use it, or use conda
 #
 if [ -f /opt/conda/bin/activate ]; then
-    source activate transformers
+    source activate $CONDA_ENV
 else
     eval "$(conda shell.bash hook)"
-    conda activate transformers
+    conda activate $CONDA_ENV
 fi
 
 # get the directory where the bash script is located
diff --git a/backend/python/petals/test.sh b/backend/python/petals/test.sh
index 42d1a045dc2..ed2aa3b3aaf 100644
--- a/backend/python/petals/test.sh
+++ b/backend/python/petals/test.sh
@@ -3,7 +3,16 @@
 ## A bash script wrapper that runs the transformers server with conda
 
 # Activate conda environment
-source activate transformers
+CONDA_ENV=petals
+# Activate conda environment
+# if source is available use it, or use conda
+#
+if [ -f /opt/conda/bin/activate ]; then
+    source activate $CONDA_ENV
+else
+    eval "$(conda shell.bash hook)"
+    conda activate $CONDA_ENV
+fi
 
 # get the directory where the bash script is located
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
diff --git a/backend/python/vllm/Makefile b/backend/python/vllm/Makefile
index 4131af41f15..9ee5886da43 100644
--- a/backend/python/vllm/Makefile
+++ b/backend/python/vllm/Makefile
@@ -1,8 +1,6 @@
 .PHONY: vllm
 vllm:
-	@echo "Creating virtual environment..."
-	@conda env create --name vllm --file vllm.yml
-	@echo "Virtual environment created."
+	$(MAKE) -C ../common-env/transformers
 
 .PHONY: run
 run:
diff --git a/backend/python/vllm/run.sh b/backend/python/vllm/run.sh
index eb2e7e609e0..5d0084a7527 100755
--- a/backend/python/vllm/run.sh
+++ b/backend/python/vllm/run.sh
@@ -6,7 +6,7 @@
 export PATH=$PATH:/opt/conda/bin
 
 # Activate conda environment
-source activate vllm
+source activate transformers
 
 # get the directory where the bash script is located
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
diff --git a/backend/python/vllm/test.sh b/backend/python/vllm/test.sh
index 70a502eb0ab..07363ad823d 100644
--- a/backend/python/vllm/test.sh
+++ b/backend/python/vllm/test.sh
@@ -3,7 +3,7 @@
 ## A bash script wrapper that runs the transformers server with conda
 
 # Activate conda environment
-source activate vllm
+source activate transformers
 
 # get the directory where the bash script is located
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
diff --git a/backend/python/vllm/vllm.yml b/backend/python/vllm/vllm.yml
deleted file mode 100644
index 2c2d733a811..00000000000
--- a/backend/python/vllm/vllm.yml
+++ /dev/null
@@ -1,99 +0,0 @@
-name: vllm
-channels:
-  - defaults
-dependencies:
-  - _libgcc_mutex=0.1=main
-  - _openmp_mutex=5.1=1_gnu
-  - bzip2=1.0.8=h7b6447c_0
-  - ca-certificates=2023.08.22=h06a4308_0
-  - ld_impl_linux-64=2.38=h1181459_1
-  - libffi=3.4.4=h6a678d5_0
-  - libgcc-ng=11.2.0=h1234567_1
-  - libgomp=11.2.0=h1234567_1
-  - libstdcxx-ng=11.2.0=h1234567_1
-  - libuuid=1.41.5=h5eee18b_0
-  - ncurses=6.4=h6a678d5_0
-  - openssl=3.0.11=h7f8727e_2
-  - pip=23.2.1=py311h06a4308_0
-  - python=3.11.5=h955ad1f_0
-  - readline=8.2=h5eee18b_0
-  - setuptools=68.0.0=py311h06a4308_0
-  - sqlite=3.41.2=h5eee18b_0
-  - tk=8.6.12=h1ccaba5_0
-  - wheel=0.41.2=py311h06a4308_0
-  - xz=5.4.2=h5eee18b_0
-  - zlib=1.2.13=h5eee18b_0
-  - pip:
-      - aiosignal==1.3.1
-      - anyio==3.7.1
-      - attrs==23.1.0
-      - certifi==2023.7.22
-      - charset-normalizer==3.3.0
-      - click==8.1.7
-      - cmake==3.27.6
-      - fastapi==0.103.2
-      - filelock==3.12.4
-      - frozenlist==1.4.0
-      - fsspec==2023.9.2
-      - grpcio==1.59.0
-      - h11==0.14.0
-      - httptools==0.6.0
-      - huggingface-hub==0.17.3
-      - idna==3.4
-      - jinja2==3.1.2
-      - jsonschema==4.19.1
-      - jsonschema-specifications==2023.7.1
-      - lit==17.0.2
-      - markupsafe==2.1.3
-      - mpmath==1.3.0
-      - msgpack==1.0.7
-      - networkx==3.1
-      - ninja==1.11.1
-      - numpy==1.26.0
-      - nvidia-cublas-cu11==11.10.3.66
-      - nvidia-cuda-cupti-cu11==11.7.101
-      - nvidia-cuda-nvrtc-cu11==11.7.99
-      - nvidia-cuda-runtime-cu11==11.7.99
-      - nvidia-cudnn-cu11==8.5.0.96
-      - nvidia-cufft-cu11==10.9.0.58
-      - nvidia-curand-cu11==10.2.10.91
-      - nvidia-cusolver-cu11==11.4.0.1
-      - nvidia-cusparse-cu11==11.7.4.91
-      - nvidia-nccl-cu11==2.14.3
-      - nvidia-nvtx-cu11==11.7.91
-      - packaging==23.2
-      - pandas==2.1.1
-      - protobuf==4.24.4
-      - psutil==5.9.5
-      - pyarrow==13.0.0
-      - pydantic==1.10.13
-      - python-dateutil==2.8.2
-      - python-dotenv==1.0.0
-      - pytz==2023.3.post1
-      - pyyaml==6.0.1
-      - ray==2.7.0
-      - referencing==0.30.2
-      - regex==2023.10.3
-      - requests==2.31.0
-      - rpds-py==0.10.4
-      - safetensors==0.4.0
-      - sentencepiece==0.1.99
-      - six==1.16.0
-      - sniffio==1.3.0
-      - starlette==0.27.0
-      - sympy==1.12
-      - tokenizers==0.14.1
-      - torch==2.0.1
-      - tqdm==4.66.1
-      - transformers==4.34.0
-      - triton==2.0.0
-      - typing-extensions==4.8.0
-      - tzdata==2023.3
-      - urllib3==2.0.6
-      - uvicorn==0.23.2
-      - uvloop==0.17.0
-      - vllm==0.2.0
-      - watchfiles==0.20.0
-      - websockets==11.0.3
-      - xformers==0.0.22
-prefix: /opt/conda/envs/vllm