# Google Agent Development Kit vs Haystack

**Leader by vioscaleAI score:** Haystack

| Attribute | Google Agent Development Kit | Haystack |
|---|---|---|
| **vioscaleAI score** | 58.2 (44% (low)) | 65.8 (68% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 0 | 237 |
| adoption.github_stars | 265 | 26,738 |
| adoption.package_downloads_weekly | - | 121,930 |
| content.faq | `[{"answer":"A multi-language agent development framework that enables developers to create production-grade AI agents with built-in tools for orchestration, memory management, code execution, and deployment to cloud or self-hosted infrastructure. It is indexed under Multi Agent Orchestration.","source":"https://google.github.io/adk-docs/","question":"What is Google Agent Development Kit?","confidence":0.6},{"answer":"Google Agent Development Kit is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://google.github.io/adk-docs/","question":"Is Google Agent Development Kit free to use?","confidence":0.6},{"answer":"Google Agent Development Kit supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://google.github.io/adk-docs/","question":"What platforms does Google Agent Development Kit support?","confidence":0.6},{"answer":"Yes. Google Agent Development Kit can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://google.github.io/adk-docs/","question":"Can Google Agent Development Kit be self-hosted?","confidence":0.6},{"answer":"We have confirmed 43 integrations for Google Agent Development Kit, including Google Search, Google Maps, Vertex AI Search, Anthropic, Google Ads, Meta, LinkedIn and TikTok, plus 35 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://google.github.io/adk-docs/","question":"What does Google Agent Development Kit integrate with?","confidence":0.6},{"answer":"Yes. Google Agent Development Kit is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/google/adk-kotlin","question":"Is Google Agent Development Kit open source?","confidence":0.95},{"answer":"Google Agent Development Kit is available worldwide. The vendor is headquartered in the United States.","source":"https://google.github.io/adk-docs/","question":"Where is Google Agent Development Kit available?","confidence":0.75}]` | `[{"answer":"A Python-based orchestration tool for creating and deploying intelligent applications powered by language models. Developers assemble reusable components (data retrieval, model integration, tool execution) into customizable workflows, from question-answering systems to multi-step autonomous agents, deployable on private infrastructure or in the cloud. It is indexed under MLOps & LLMOps Tools.","source":"https://haystack.deepset.ai","question":"What is Haystack?","confidence":0.6},{"answer":"Haystack is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Paid editions are also offered: Enterprise Starter and Enterprise Platform, priced on request. Pricing changes often, so verify at source before relying on it.","source":"https://haystack.deepset.ai","question":"Is Haystack free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Haystack. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://haystack.deepset.ai","question":"What platforms does Haystack support?","confidence":0.6},{"answer":"Yes. Haystack can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://haystack.deepset.ai","question":"Can Haystack be self-hosted?","confidence":0.6},{"answer":"We have confirmed 21 integrations for Haystack, including OpenAI, Anthropic, Mistral, Hugging Face, Weaviate, Pinecone, Elasticsearch and AstraDB, plus 13 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://haystack.deepset.ai","question":"What does Haystack integrate with?","confidence":0.6},{"answer":"Yes. Haystack is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/deepset-ai/haystack","question":"Is Haystack open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | A multi-language agent development framework that enables developers to create production-grade AI agents with built-in tools for orchestration, memory management, code execution, and deployment to cloud or self-hosted infrastructure. | A Python-based orchestration framework for building production-ready AI applications with modular pipelines, agent workflows, and retrieval-augmented generation (RAG). Provides explicit control over retrieval, reasoning, memory, tools, and generation components, supporting everything from simple semantic search to complex multi-step agent systems. |
| features.capabilities | `{"soc2_type_ii":false,"pricing_model":"free_open_source","architecture_paradigm":"graph_based_cycles","mit_or_apache_permissive_oss_license":true,"native_observability_and_trace_logging":true,"fault_tolerance_and_llm_retry_mechanisms":true,"native_memory_and_state_persistence_layer":true,"tool_calling_and_function_schema_validation":true,"managed_cloud_runtime_infrastructure_offered":true,"synchronous_and_asynchronous_execution_modes":true,"streaming_output_and_intermediate_step_yielding":true,"dynamic_agent_generation_and_spawning_at_runtime":true}` | `{"role":"platform","evaluation":true,"managed_cloud":true,"model_serving":true,"pricing_model":"free_open_source","self_hostable":true,"multi_provider":true,"vpc_deployment":true,"otel_compatible":true,"no_train_on_data":"unknown","llm_observability":true,"prompt_management":true,"framework_agnostic":true,"architecture_paradigm":"graph_based_cycles","mit_or_apache_permissive_oss_license":true,"native_observability_and_trace_logging":true,"native_memory_and_state_persistence_layer":true,"tool_calling_and_function_schema_validation":true,"managed_cloud_runtime_infrastructure_offered":true,"dynamic_agent_generation_and_spawning_at_runtime":true}` |
| integrations.count | 22 | 9 |
| integrations.list | `[{"name":"Google Search"},{"name":"Google Maps"},{"name":"Vertex AI Search"},{"name":"Anthropic"},{"name":"Google Ads"},{"name":"Meta"},{"name":"LinkedIn"},{"name":"TikTok"},{"name":"Aerospike"},{"name":"Firebase"},{"name":"Firestore"},{"name":"GitHub"},{"name":"Google Workspace"},{"name":"Google Calendar"},{"name":"Salesforce"},{"name":"Slack"},{"name":"Figma"},{"name":"Linear"},{"name":"Notion"},{"name":"MongoDB"},{"name":"Milvus"},{"name":"OpenTelemetry"},{"name":"Grafana Cloud"},{"name":"Langfuse"},{"name":"LangSmith"},{"name":"Freeplay"},{"name":"Hugging Face"},{"name":"Postman"},{"name":"Zapier"},{"name":"Stripe"},{"name":"Resend"},{"name":"Postmark"},{"name":"Pagerduty"},{"name":"Respan"},{"name":"Cloud Trace"},{"name":"Replit"},{"name":"Vercel"},{"name":"Vite"},{"name":"Qwik"},{"name":"BuilderIO"},{"name":"Windsurf"},{"name":"Tonal"},{"name":"Unkey"},{"name":"Meta Ads","category":"marketing"},{"name":"LinkedIn Ads","category":"marketing"},{"name":"TikTok Ads","category":"marketing"},{"name":"Google Cloud Agent Identity","category":"identity"},{"name":"Google Cloud Agent Registry","category":"registry"},{"name":"Twilio","category":"communications"},{"name":"Modal","category":"compute"},{"name":"HuggingFace","category":"ai"},{"name":"Datadog","category":"monitoring"}]` | `[{"name":"OpenAI"},{"name":"Anthropic"},{"name":"Mistral"},{"name":"Hugging Face"},{"name":"Weaviate"},{"name":"Pinecone"},{"name":"Elasticsearch"},{"name":"AstraDB"},{"name":"Apify"},{"name":"ReadMe"},{"name":"Azure OpenAI"},{"name":"Datadog"},{"name":"OpenTelemetry"},{"name":"SerperDev"},{"name":"SearchApi"},{"name":"Cohere"},{"name":"AWS Bedrock"},{"name":"FAISS"},{"name":"AWS SageMaker"},{"name":"OpenSearch"},{"name":"Google Colab"},{"name":"MCP servers"},{"name":"Amazon Bedrock","native":true,"category":"llm","direction":"outbound"},{"name":"Claude","native":true,"category":"llm","direction":"outbound"},{"name":"Amazon S3","native":true,"category":"data","direction":"inbound"},{"name":"Meta","native":true,"category":"llm","direction":"outbound"},{"name":"Stability AI","native":true,"category":"llm","direction":"outbound"},{"name":"AI21 Labs","native":true,"category":"llm","direction":"outbound"}]` |
| language.primary | Kotlin | Python |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","summary":"Free and open-source under Apache 2.0 license","freeTier":true,"sourceUrl":"https://google.github.io/adk-docs/","retrievedAt":"2026-08-21T11:02:16.517Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Open Source","description":"Free, open-source AI framework with community support","contactSales":false},{"free":false,"name":"Enterprise","description":"Enterprise support with exclusive access to data workflows, testing tools, and scalable cloud or on-premise deployment","contactSales":true}],"summary":"Free open-source core with paid enterprise support available","freeTier":true,"sourceUrl":"https://haystack.deepset.ai","retrievedAt":"2026-10-13T22:38:13.832Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| release.cadence_days | 12 | 2 |
| release.history | `[{"url":"https://github.com/google/adk-kotlin/releases/tag/v1.3.0","date":"2026-10-02T12:56:34Z","type":"stable","version":"v1.3.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v1.2.0","date":"2026-09-28T10:00:17Z","type":"stable","version":"v1.2.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v1.1.0","date":"2026-09-15T08:48:26Z","type":"stable","version":"v1.1.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v1.0.1","date":"2026-09-10T09:25:55Z","type":"stable","version":"v1.0.1"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v1.0.0","date":"2026-09-07T11:08:05Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.9.0","date":"2026-08-31T07:34:34Z","type":"stable","version":"v0.9.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.8.0","date":"2026-08-17T09:59:08Z","type":"stable","version":"v0.8.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.7.0","date":"2026-08-03T12:54:08Z","type":"stable","version":"v0.7.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.6.0","date":"2026-07-20T14:05:14Z","type":"stable","version":"v0.6.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.5.0","date":"2026-07-06T09:42:44Z","type":"stable","version":"v0.5.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.4.0","date":"2026-06-23T08:10:55Z","type":"stable","version":"v0.4.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.3.0","date":"2026-06-12T13:52:01Z","type":"stable","version":"v0.3.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.2.0","date":"2026-05-26T11:24:58Z","type":"stable","version":"v0.2.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.1.0","date":"2026-05-19T16:16:45Z","type":"stable","version":"v0.1.0"},{"url":"https://github.com/google/adk-kotlin/releases/tag/v0.1.0-rc.1","date":"2026-05-19T09:50:57Z","type":"prerelease","version":"v0.1.0-rc.1"}]` | `[{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.3.0","date":"2026-10-01T10:39:53Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.3.0-rc1","date":"2026-09-30T13:33:59Z","type":"prerelease","version":"v3.3.0-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.2.0","date":"2026-09-24T10:49:36Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.2.0-rc1","date":"2026-09-23T12:24:18Z","type":"prerelease","version":"v3.2.0-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.1","date":"2026-09-03T09:27:52Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.1-rc1","date":"2026-09-03T07:27:21Z","type":"prerelease","version":"v3.1.1-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.0","date":"2026-08-24T15:19:09Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.0-rc3","date":"2026-08-21T15:31:26Z","type":"prerelease","version":"v3.1.0-rc3"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.0-rc2","date":"2026-08-21T14:30:15Z","type":"prerelease","version":"v3.1.0-rc2"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.1.0-rc1","date":"2026-08-18T09:09:17Z","type":"prerelease","version":"v3.1.0-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.0.0","date":"2026-07-20T12:07:08Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v3.0.0-rc1","date":"2026-07-20T09:04:49Z","type":"prerelease","version":"v3.0.0-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.31.0","date":"2026-07-08T11:34:43Z","type":"stable","version":"v2.31.0"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.31.0-rc2","date":"2026-07-07T08:18:58Z","type":"prerelease","version":"v2.31.0-rc2"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.31.0-rc1","date":"2026-07-07T06:24:07Z","type":"prerelease","version":"v2.31.0-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.30.2","date":"2026-06-18T08:36:45Z","type":"stable","version":"v2.30.2"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.30.2-rc1","date":"2026-06-17T14:32:06Z","type":"prerelease","version":"v2.30.2-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.30.1","date":"2026-06-09T13:26:29Z","type":"stable","version":"v2.30.1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.30.1-rc1","date":"2026-06-09T12:45:47Z","type":"prerelease","version":"v2.30.1-rc1"},{"url":"https://github.com/deepset-ai/haystack/releases/tag/v2.30.0","date":"2026-06-03T10:21:07Z","type":"stable","version":"v2.30.0"}]` |
| security.scorecard | - | 9.4 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.google.adk%3Agoogle-adk-kotlin-core-jvm&per_page=100","last_12m":0,"max_severity":null}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=farm-haystack&per_page=100","last_12m":0,"max_severity":"CRITICAL"}` |

## Capabilities (Multi Agent Orchestration)

| Capability | Google Agent Development Kit | Haystack |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture paradigm | Graph based cycles | Graph based cycles |
| Native memory and state persistence layer | ✓ | ✓ |
| Dynamic agent generation and spawning at runtime | ✓ | ✓ |
| Synchronous and asynchronous execution modes | ✓ | - |
| Tool calling and function schema validation | ✓ | ✓ |
| Streaming output and intermediate step yielding | ✓ | - |
| Fault tolerance and LLM retry mechanisms | ✓ | - |
| Managed cloud runtime infrastructure offered | ✓ | ✓ |
| Native observability and trace logging | ✓ | ✓ |
| SOC2 type ii | ✗ | - |
| Mit or apache permissive oss license | ✓ | ✓ |
| Pricing model | Free open source | Free open source |

*Source: vioscaleAI. Generated 2026-10-16T20:12:32.872Z. "-" = undocumented, not absent.*