braintrustdata · Abhijeet Prasad (AbhiPrasad) · Jun 29, 2026 · Jun 29, 2026 · Jun 29, 2026 · Jun 29, 2026
diff --git a/py/pyproject.toml b/py/pyproject.toml
@@ -241,7 +241,7 @@ lint = [
     "numpy",
     "strands-agents",
     "temporalio",
-    "pydantic-ai>=1.99.0",
+    "pydantic-ai>=1.99.0,<2",
     "opentelemetry-instrumentation-openai==0.59.1",
     "langsmith==0.8.0",
     "langchain-core",
@@ -312,43 +312,43 @@ conflicts = [
 [tool.braintrust.matrix]
 
 [tool.braintrust.matrix.openai]
-latest = "openai==2.43.0"
+latest = "openai==2.44.0"
 "1.92.0" = "openai==1.92.0"
 "1.77.0" = "openai==1.77.0"
 "1.71.0" = "openai==1.71.0"
 
 [tool.braintrust.matrix.anthropic]
-latest = "anthropic==0.111.0"
+latest = "anthropic==0.112.0"
 "0.48.0" = "anthropic==0.48.0"
 
 [tool.braintrust.matrix.cohere]
 latest = "cohere==7.0.4"
 "5.0.0" = "cohere==5.0.0"
 
 [tool.braintrust.matrix.openai-agents]
-latest = "openai-agents==0.17.6"
+latest = "openai-agents==0.17.7"
 "0.13.6" = "openai-agents==0.13.6"
 "0.0.19" = "openai-agents==0.0.19"
 
 [tool.braintrust.matrix.litellm]
-latest = "litellm==1.89.3"
+latest = "litellm==1.90.0"
 "1.74.0" = "litellm==1.74.0"
 
 [tool.braintrust.matrix.livekit-agents]
-latest = "livekit-agents==1.6.2"
+latest = "livekit-agents==1.6.4"
 "1.3.1" = "livekit-agents==1.3.1"
 
 [tool.braintrust.matrix.claude-agent-sdk]
-latest = "claude-agent-sdk==0.2.106"
+latest = "claude-agent-sdk==0.2.110"
 "0.1.10" = "claude-agent-sdk==0.1.10"
 
 [tool.braintrust.matrix.agno]
-latest = "agno==2.6.18"
+latest = "agno==2.6.20"
 "2.4.0" = "agno==2.4.0"
 "2.1.0" = "agno==2.1.0"
 
 [tool.braintrust.matrix.agentscope]
-latest = "agentscope==2.0.2"
+latest = "agentscope==2.0.3"
 "1.0.0" = "agentscope==1.0.0"
 
 [tool.braintrust.matrix.autogen-agentchat]
@@ -360,7 +360,7 @@ latest = "autogen-ext[openai]==0.7.5"
 "0.7.0" = "autogen-ext[openai]==0.7.0"
 
 [tool.braintrust.matrix.strands-agents]
-latest = "strands-agents==1.44.0"
+latest = "strands-agents==1.45.0"
 "1.20.0" = "strands-agents==1.20.0"
 
 [tool.braintrust.matrix.pydantic-ai-integration]
@@ -377,11 +377,11 @@ latest = "autoevals==0.3.0"
 "0.0.129" = "autoevals==0.0.129"
 
 [tool.braintrust.matrix.instructor]
-latest = "instructor==1.15.3"
+latest = "instructor==1.15.4"
 "1.11.0" = "instructor==1.11.0"
 
 [tool.braintrust.matrix.google-genai]
-latest = "google-genai==2.9.0"
+latest = "google-genai==2.10.0"
 "1.75.0" = "google-genai==1.75.0"
 "1.30.0" = "google-genai==1.30.0"
 
@@ -393,7 +393,7 @@ latest = "dspy==3.2.1"
 # 1.13.0 is the first release with the full causal-id surface (event_id /
 # parent_event_id / started_event_id on BaseEvent) plus the ``usage`` field on
 # LLMCallCompletedEvent that the Braintrust CrewAI integration depends on.
-latest = "crewai==1.14.7"
+latest = "crewai==1.15.1"
 "1.13.0" = "crewai==1.13.0"
 
 [tool.braintrust.matrix.google-adk]
@@ -405,23 +405,23 @@ latest = "langchain-core==1.4.8"
 "0.3.28" = "langchain-core==0.3.28"
 
 [tool.braintrust.matrix.llama-index-core]
-latest = "llama-index-core==0.14.22"
+latest = "llama-index-core==0.14.23"
 "0.13.0" = "llama-index-core==0.13.0"
 
 [tool.braintrust.matrix.openrouter]
-latest = "openrouter==0.10.0"
+latest = "openrouter==0.10.8"
 "0.6.0" = "openrouter==0.6.0"
 
 [tool.braintrust.matrix.mistralai]
-latest = "mistralai==2.4.13"
+latest = "mistralai==2.5.0"
 "1.12.4" = "mistralai==1.12.4"
 
 [tool.braintrust.matrix.huggingface-hub]
 # Floor pinned to 0.32.0: the earliest release that exposes the
 # ``provider="auto"`` routing mode the integration relies on for multi-
 # provider use, while still keeping the same chat_completion /
 # text_generation / feature_extraction / sentence_similarity method names.
-latest = "huggingface-hub==1.20.1"
+latest = "huggingface-hub==1.21.0"
 "0.32.0" = "huggingface-hub==0.32.0"
 
 [tool.braintrust.matrix.temporalio]
@@ -439,11 +439,11 @@ latest = "pytest==9.1.1"
 latest = "braintrust-core==0.0.59"
 
 [tool.braintrust.matrix.boto3]
-latest = "boto3==1.43.34"
+latest = "boto3==1.43.36"
 "1.34.116" = "boto3==1.34.116"
 
 [tool.braintrust.matrix.botocore]
-latest = "botocore==1.43.34"
+latest = "botocore==1.43.36"
 "1.34.116" = "botocore==1.34.116"
 
 # ---------------------------------------------------------------------------

diff --git a/py/src/braintrust/conftest.py b/py/src/braintrust/conftest.py
@@ -144,7 +144,12 @@ async def _patched_record_response(cassette, vcr_request, response):
         # aiohttp's ClientResponse stores the payload in response.content which
         # is a StreamReader. After read() exhausts it, we replace it with a new
         # stream containing the same data.
-        new_stream = streams.StreamReader(response._protocol, 2**16, loop=asyncio.get_event_loop())
+        # Use a limit larger than the captured body so StreamReader.feed_data()
+        # does not try to pause the original aiohttp parser. Large responses
+        # (for example image-generation payloads) can otherwise trip an
+        # assertion inside aiohttp's parser when VCR records the response.
+        stream_limit = max(2**16, len(body_bytes) + 1)
+        new_stream = streams.StreamReader(response._protocol, stream_limit, loop=asyncio.get_event_loop())
         new_stream.feed_data(body_bytes)
         new_stream.feed_eof()
         response.content = new_stream

diff --git a/py/src/braintrust/integrations/litellm/cassettes/latest/test_auto_litellm.yaml b/py/src/braintrust/integrations/litellm/cassettes/latest/test_auto_litellm.yaml
@@ -2,46 +2,46 @@ interactions:
 - request:
     body: '{"messages":[{"role":"user","content":"Say hi"}],"model":"gpt-4o-mini"}'
     headers:
-      Accept:
+      accept:
       - application/json
-      Accept-Encoding:
+      accept-encoding:
       - gzip, deflate
-      Connection:
+      connection:
       - keep-alive
-      Content-Length:
+      content-length:
       - '71'
-      Content-Type:
+      content-type:
       - application/json
-      Host:
+      host:
       - api.openai.com
-      User-Agent:
-      - OpenAI/Python 2.38.0
-      X-Stainless-Arch:
+      user-agent:
+      - OpenAI/Python 2.44.0
+      x-stainless-arch:
       - arm64
-      X-Stainless-Async:
+      x-stainless-async:
       - 'false'
-      X-Stainless-Lang:
+      x-stainless-lang:
       - python
-      X-Stainless-OS:
+      x-stainless-os:
       - MacOS
-      X-Stainless-Package-Version:
-      - 2.38.0
-      X-Stainless-Raw-Response:
+      x-stainless-package-version:
+      - 2.44.0
+      x-stainless-raw-response:
       - 'true'
-      X-Stainless-Runtime:
-      - CPython
-      X-Stainless-Runtime-Version:
-      - 3.14.3
       x-stainless-read-timeout:
       - '600.0'
       x-stainless-retry-count:
       - '0'
+      x-stainless-runtime:
+      - CPython
+      x-stainless-runtime-version:
+      - 3.14.3
     method: POST
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-DjUJQR5hAaSThPk3F6iJbuMbiTVcI\",\n  \"object\":
-        \"chat.completion\",\n  \"created\": 1779733652,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n
+      string: "{\n  \"id\": \"chatcmpl-Dw6tnq3wLigHjugFBUn28yAGi0Svz\",\n  \"object\":
+        \"chat.completion\",\n  \"created\": 1782741915,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n
         \ \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\":
         \"assistant\",\n        \"content\": \"Hi there! How can I assist you today?\",\n
         \       \"refusal\": null,\n        \"annotations\": []\n      },\n      \"logprobs\":
@@ -50,44 +50,46 @@ interactions:
         {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\":
         {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\":
         0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\":
-        \"default\",\n  \"system_fingerprint\": \"fp_6e71a9f378\"\n}\n"
+        \"default\",\n  \"system_fingerprint\": \"fp_93ce1a0f2a\"\n}\n"
     headers:
-      Access-Control-Expose-Headers:
+      access-control-expose-headers:
+      - X-Request-ID
+      - CF-Ray
       - CF-Ray
-      CF-Cache-Status:
-      - DYNAMIC
-      CF-Ray:
-      - a0169840bddc3a03-YYZ
-      Connection:
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-      Content-Type:
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-      - Mon, 25 May 2026 18:27:33 GMT
-      Server:
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-      Transfer-Encoding:
-      - chunked
-      X-Content-Type-Options:
-      - nosniff
       alt-svc:
       - h3=":443"; ma=86400
+      cf-cache-status:
+      - DYNAMIC
+      cf-ray:
+      - a1357c2b8ce8abf7-YYZ
+      connection:
+      - keep-alive
       content-length:
       - '843'
+      content-type:
+      - application/json
+      date:
+      - Mon, 29 Jun 2026 14:05:16 GMT
       openai-organization:
       - braintrust-data
       openai-processing-ms:
-      - '690'
+      - '714'
       openai-project:
       - proj_vsCSXafhhByzWOThMrJcZiw9
       openai-version:
       - '2020-10-01'
+      server:
+      - cloudflare
       set-cookie:
-      - __cf_bm=I0Uys99moT6ZRtpyJMepSqDjcpZmZTTV2sFnpqF_.JE-1779733652.593364-1.0.1.1-4Go9zrRm3Kc3HKgcArrcK4emO0EBZCk.di72NlQyCs6HJLx6TwHZnfdIipeSFixi_HiDSNVY4Xgco35r7hzQVbe4O458q9TPGbj6ZFAOOmhignv2XySnhH2Ppfl7Fbh7;
+      - __cf_bm=RbBAgKAsBhe0EJks2oP.16UurqK8L7WeikxZMnOGz3s-1782741915.4466283-1.0.1.1-X9SYmttTipGKYkWtrvbPzxZAqp6O7YEyFkpED0W_JEtfhdTCLIMpq_TCLVHJzEQ8a0S8pp_d4I_y9TEGo_BeUK0qZOLTw5pGdtClC_KBVPU3oklv_4mJp..ACWnfRKfi;
         HttpOnly; SameSite=None; Secure; Path=/; Domain=api.openai.com; Expires=Mon,
-        25 May 2026 18:57:33 GMT
+        29 Jun 2026 14:35:16 GMT
+      strict-transport-security:
+      - max-age=31536000; includeSubDomains; preload
+      transfer-encoding:
+      - chunked
+      x-content-type-options:
+      - nosniff
       x-openai-proxy-wasm:
       - v0.1
       x-ratelimit-limit-requests:
@@ -103,7 +105,7 @@ interactions:
       x-ratelimit-reset-tokens:
       - 0s
       x-request-id:
-      - req_5c63a3194e814dd2a6e6ed64f34a4595
+      - req_79a7e38c4c38401e9ea92c44a02867a9
     status:
       code: 200
       message: OK

diff --git a/...rc/braintrust/integrations/litellm/cassettes/latest/test_litellm_acompletion_metrics.yaml b/...rc/braintrust/integrations/litellm/cassettes/latest/test_litellm_acompletion_metrics.yaml
@@ -15,7 +15,7 @@ interactions:
       host:
       - api.openai.com
       user-agent:
-      - AsyncOpenAI/Python 2.38.0
+      - AsyncOpenAI/Python 2.44.0
       x-stainless-arch:
       - arm64
       x-stainless-async:
@@ -25,7 +25,7 @@ interactions:
       x-stainless-os:
       - MacOS
       x-stainless-package-version:
-      - 2.38.0
+      - 2.44.0
       x-stainless-raw-response:
       - 'true'
       x-stainless-read-timeout:
@@ -40,8 +40,8 @@ interactions:
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-DjUIS5z8VSPVmjvEN6AkqzqdUTFJ6\",\n  \"object\":
-        \"chat.completion\",\n  \"created\": 1779733592,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n
+      string: "{\n  \"id\": \"chatcmpl-Dw6siY7aZppJUM39qepUTCeMSVb2z\",\n  \"object\":
+        \"chat.completion\",\n  \"created\": 1782741848,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n
         \ \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\":
         \"assistant\",\n        \"content\": \"12 + 12 equals 24.\",\n        \"refusal\":
         null,\n        \"annotations\": []\n      },\n      \"logprobs\": null,\n
@@ -50,7 +50,7 @@ interactions:
         {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\":
         {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\":
         0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\":
-        \"default\",\n  \"system_fingerprint\": \"fp_7aa59af5dc\"\n}\n"
+        \"default\",\n  \"system_fingerprint\": \"fp_d0b314e02e\"\n}\n"
     headers:
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       - X-Request-ID
@@ -59,19 +59,19 @@ interactions:
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       - DYNAMIC
       CF-Ray:
-      - a01696c9181357af-YYZ
+      - a1357a8ace72a1f8-YYZ
       Connection:
       - keep-alive
       Content-Type:
       - application/json
       Date:
-      - Mon, 25 May 2026 18:26:33 GMT
+      - Mon, 29 Jun 2026 14:04:09 GMT
       Server:
       - cloudflare
       Set-Cookie:
-      - __cf_bm=vR3XICN4DGrl0B.l.4xEA0TlTjzRQw7eq98NYxLFkTg-1779733592.4995396-1.0.1.1-doCrThp55SKeV2zI_jQgv.upm8oBjHnK.XZ5BT1TvQD9eSnsNjXqX1.DaNpnyupbgAeC_fDFIXI2o_heWCOut4rrVFX90XZI5YJrJRb_lH0ickBsamA3ClFTnJuTCrKy;
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+        29 Jun 2026 14:34:09 GMT
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@@ -85,7 +85,7 @@ interactions:
       openai-organization:
       - braintrust-data
       openai-processing-ms:
-      - '421'
+      - '475'
       openai-project:
       - proj_vsCSXafhhByzWOThMrJcZiw9
       openai-version:
@@ -105,7 +105,7 @@ interactions:
       x-ratelimit-reset-tokens:
       - 0s
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-      - req_a1f10db1404b4221850bf031bce73f8a
+      - req_3b039667f8404c2fac0bf8de2298ca74
     status:
       code: 200
       message: OK