diff --git a/docs/attributes-registry/gen-ai.md b/docs/attributes-registry/gen-ai.md
index 814464f3f1..1381a437be 100644
--- a/docs/attributes-registry/gen-ai.md
+++ b/docs/attributes-registry/gen-ai.md
@@ -77,8 +77,9 @@ Thie group defines attributes for OpenAI.
|---|---|---|---|---|
| `gen_ai.openai.request.response_format` | string | The response format that is requested. | `json` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| `gen_ai.openai.request.seed` | int | Requests with same seed value more likely to return same result. | `100` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
-| `gen_ai.openai.request.service_tier` | string | The service tier requested. May be a specific tier, detault, or auto. | `auto`; `default` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
-| `gen_ai.openai.response.service_tier` | string | The service tier used for the response. | `scale`; `detault` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `gen_ai.openai.request.service_tier` | string | The service tier requested. May be a specific tier, default, or auto. | `auto`; `default` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `gen_ai.openai.response.service_tier` | string | The service tier used for the response. | `scale`; `default` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| `gen_ai.openai.response.system_fingerprint` | string | A fingerprint to track any eventual change in the Generative AI environment. | `fp_44709d6fcb` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
`gen_ai.openai.request.response_format` has the following list of well-known values. If one of them applies, then the respective value MUST be used; otherwise, a custom value MAY be used.
diff --git a/docs/gen-ai/openai.md b/docs/gen-ai/openai.md
index 5acce4fb88..7c8b1afdae 100644
--- a/docs/gen-ai/openai.md
+++ b/docs/gen-ai/openai.md
@@ -43,6 +43,7 @@ attributes and ones specific the OpenAI.
| [`gen_ai.openai.request.seed`](/docs/attributes-registry/gen-ai.md) | int | Requests with same seed value more likely to return same result. | `100` | `Conditionally Required` if the request includes a seed | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| [`gen_ai.openai.request.service_tier`](/docs/attributes-registry/gen-ai.md) | string | The service tier requested. May be a specific tier, detault, or auto. | `auto`; `default` | `Conditionally Required` [4] | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| [`gen_ai.openai.response.service_tier`](/docs/attributes-registry/gen-ai.md) | string | The service tier used for the response. | `scale`; `detault` | `Conditionally Required` [5] | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
+| [`gen_ai.openai.response.system_fingerprint`](/docs/attributes-registry/gen-ai.md) | string | A fingerprint to track any eventual change in the Generative AI environment. | `fp_44709d6fcb` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| [`server.port`](/docs/attributes-registry/server.md) | int | GenAI server port. [6] | `80`; `8080`; `443` | `Conditionally Required` If `server.address` is set. | ![Stable](https://img.shields.io/badge/-stable-lightgreen) |
| [`gen_ai.request.frequency_penalty`](/docs/attributes-registry/gen-ai.md) | double | The frequency penalty setting for the GenAI request. | `0.1` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
| [`gen_ai.request.max_tokens`](/docs/attributes-registry/gen-ai.md) | int | The maximum number of tokens the model generates for a request. | `100` | `Recommended` | ![Experimental](https://img.shields.io/badge/-experimental-blue) |
diff --git a/model/gen-ai/metrics.yaml b/model/gen-ai/metrics.yaml
index 35b5c979bc..e1a7254037 100644
--- a/model/gen-ai/metrics.yaml
+++ b/model/gen-ai/metrics.yaml
@@ -37,6 +37,8 @@ groups:
attributes:
- ref: gen_ai.openai.response.service_tier
requirement_level: recommended
+ - ref: gen_ai.openai.response.system_fingerprint
+ requirement_level: recommended
- id: metric.gen_ai.client.token.usage
type: metric
metric_name: gen_ai.client.token.usage
diff --git a/model/gen-ai/registry.yaml b/model/gen-ai/registry.yaml
index a1e86b75fc..2be38beb2b 100644
--- a/model/gen-ai/registry.yaml
+++ b/model/gen-ai/registry.yaml
@@ -181,10 +181,15 @@ groups:
value: "default"
brief: The system will utilize the default scale tier.
stability: experimental
- brief: The service tier requested. May be a specific tier, detault, or auto.
+ brief: The service tier requested. May be a specific tier, default, or auto.
examples: ['auto', 'default']
- id: gen_ai.openai.response.service_tier
stability: experimental
type: string
brief: The service tier used for the response.
- examples: ['scale', 'detault']
+ examples: ['scale', 'default']
+ - id: gen_ai.openai.response.system_fingerprint
+ stability: experimental
+ type: string
+ brief: A fingerprint to track any eventual change in the Generative AI environment.
+ examples: ["fp_44709d6fcb"]
diff --git a/model/gen-ai/spans.yaml b/model/gen-ai/spans.yaml
index 79909f0f3c..a7c8a0ef5e 100644
--- a/model/gen-ai/spans.yaml
+++ b/model/gen-ai/spans.yaml
@@ -90,6 +90,8 @@ groups:
- ref: gen_ai.openai.response.service_tier
requirement_level:
conditionally_required: if the response was received and includes a service_tier
+ - ref: gen_ai.openai.response.system_fingerprint
+ requirement_level: recommended
- ref: gen_ai.usage.input_tokens
brief: The number of tokens used in the prompt sent to OpenAI.
- ref: gen_ai.usage.output_tokens