How AWS GraphRAG deployment cuts drug research cycles by 87%

An AWS GraphRAG deployment has slashed pharmaceutical research and development cycles by 87 percent. The breakthrough came from stitching together proprietary databases that had long been isolated — clinical metrics, internal lab notes, engineering logs — into a single, queryable knowledge graph. What once took over six months per iteration now wraps up in three weeks.

Historically, the initial data-gathering and screening phases of drug discovery yielded a success rate of just five percent. Critical datasets lived in separate storage environments, effectively blocking data scientists from spotting hidden correlations. When senior researchers left, they took project context with them, stalling active work. AWS built a solution to connect these systems, combining graph databases with natural language processing.

The architecture behind the acceleration

The setup relies on a GraphRAG framework using Amazon Neptune Analytics and Amazon Bedrock to turn disconnected data points into a searchable network. Users submit standard natural language queries and receive answers mapped to verified domain literature and internal datasets.

But unifying isolated proprietary datasets with unstructured open-access repositories introduces significant data normalisation challenges. Strict schema governance is required to prevent inaccurate relational mapping and mitigate the risk of hallucinations — a well-known pitfall in retrieval-augmented generation systems.

Knowledge graph construction

Companies can plug in their own knowledge graphs. The system pulls in messy, unstructured files from public databases like PubMed and mixes them with internal corporate records. Tools like Amazon Comprehend Medical scan this text to extract standard medical codes. Amazon Bedrock, running Anthropic’s Claude 4.5 Sonnet, summarises document contents and determines topical relevance.

AWS Lambda functions and Amazon S3 bulk loads then route these processed elements into Amazon Neptune Analytics. The resulting knowledge graph structures data into discrete nodes representing core entities — domain-specific classes, authors, source journals, and embedded text chunks. The graph edges define relationships between these nodes, mapping hierarchical classifications and entity associations. This structured representation provides the deterministic foundation necessary for accurate information retrieval.

Database schema and resource costs

The database schema establishes strict boundaries for the RAG discovery process. Nodes capture specific conditions and map them hierarchically to established ontologies, while author and journal nodes provide provenance for published research. Lengthy documents are broken down into digestible text segments using Amazon Bedrock Knowledge Base chunking strategies, and specific classification nodes anchor unstructured textual data to standardised diagnostic metrics.

Operating this graph architecture requires specific cloud resource allocations. A standard Amazon Neptune Analytics graph running with 16 provisioned memory units incurs operational costs of $0.48 per hour. Development environments, such as Amazon SageMaker Jupyter notebooks running on t3.medium instances, add baseline compute and storage expenditures. Organisations must also factor in dynamic token consumption costs generated by the Amazon Bedrock Claude 4.5 Sonnet model during query processing and abstract generation.

Query execution and entity linking

The GraphRAG toolkit acts as the execution layer between the user interface and the underlying database. A dedicated Knowledge Graph Linker processes incoming natural language queries, extracts relevant entities using fuzzy string indexing, and maps them to established graph nodes. The system traverses the network pathways to generate plausible relational links before drafting a response through the Bedrock-hosted language model.

Retrieval accuracy depends on the entity matching configuration. An EntityLinker component aligns natural language terms from user prompts to the structured data schema. This fuzzy matching process handles the inherent noise and varied terminology found in complex enterprise datasets, ensuring users retrieve the correct nodes even when using imprecise language.

Modularity and system architecture

Data extraction relies heavily on specialised AI parsing. The architecture employs Claude to evaluate raw source documents and generate concise abstracts. Domain-specific tools then map these complex textual descriptions to standardised taxonomies.

The GraphRAG Python toolkit initialises a BedrockGenerator to power natural language interactions, while engineers configure a Knowledge Graph Linker component to bind the graph store to the language model. This integration creates a direct interface for executing queries and generating responses grounded strictly in the available graph data.

The architecture separates three core functions: language model initialisation, graph interfacing, and entity linking. Because the system is modular, teams can swap out the language model or tweak the graph structure without having to tear down and rebuild the whole application.

Performance metrics and real-world impact

Active deployments of the Neptune and Bedrock architecture return exact, verifiable citations for every generated answer. The system maps the entire reasoning path, displaying the specific graph traversal steps used to reach a conclusion.

Key performance metrics from early enterprise adopters include:

• 87 percent reduction in research cycle durations — initial discovery phases that previously required six months now conclude in three weeks
• 85 percent improvement in data retrieval speeds, directly supporting faster hypothesis testing
• 70 percent drop in research review times due to automated citation mapping and source verification

Engineering teams can integrate new public databases or internal notes into the existing graph structure without disrupting active query interfaces. For governance and compliance, exact evidence trails required for regulatory submissions are captured, with graph traversal visualisations proving precisely how an AI model connected complex variables. Teams can trace every output directly to source documents, fulfilling compliance requirements for scientific integrity.

Maintaining a centralised knowledge graph also stops data decay. When senior scientists resign, their tacit knowledge regarding system behaviours or failed experiments remains indexed within the Neptune database. New personnel can query the system to review past decisions and instantly access the historical context of an ongoing project.

As GraphRAG frameworks mature, this AWS GraphRAG deployment model is unlikely to remain confined to pharmaceutical research. The ability to deterministically map internal, unstructured data against verified public repositories provides a blueprint for any enterprise struggling to extract actionable intelligence from fragmented legacy systems.

See also: Insilico Medicine advances AI drug for IPF to Phase III trials

Want to learn more about AI and big data from industry leaders? Check out AI & Big Data Expo taking place in Amsterdam, California, and London. The comprehensive event is part of TechEx and is co-located with other leading technology events including the Cyber Security & Cloud Expo.

Apple finally lets you control how fast Siri talks — and how much feeling it puts into every word

Apple has quietly flipped the switch on one of the most personal AI features yet. In the latest iOS 27 developer beta, testers can now tweak Siri’s pace and expressivity — two sliders that change not just the assistant’s speed, but its emotional tone.

First teased back in June at WWDC 26, the controls were labeled “Coming soon” in earlier beta releases. With iOS 27 beta 3, which landed today, they’re finally live. And they signal a bigger shift: Apple is rebuilding Siri around generative AI, and it wants the voice to feel less like a robot and more like a person sitting next to you.

What the new Siri voice controls actually do

The customization goes far beyond the old choice between a male or female voice. In beta 3, you pick from a set of voices with different accents, then adjust two sliders: one for Pace (slow to fast) and one for Expressivity (flat to animated).

As you move the sliders, Siri immediately demonstrates the change by speaking sample phrases — things like “You have one new message” or “Reminder set for 3 p.m.” It’s a live preview, so you can hear exactly how your settings sound before committing.

The effect is subtle but real. A faster pace sounds more efficient, while a slower one feels more deliberate. Crank up the expressivity, and Siri’s pitch rises and falls more naturally, almost like a human reading with emotion. Dial it down, and the voice becomes more monotone — useful for quick, no-nonsense replies.

How it compares to ChatGPT’s voice customization

OpenAI’s ChatGPT has offered voice-style controls since December 2025, letting users adjust warmth and enthusiasm, plus pick from pre-set styles like friendly, professional, candid, or quirky. ChatGPT’s approach changes not just the voice, but the tone of the response itself — a friendly mode might add emojis, while a professional one keeps things concise.

Siri’s sliders are more about delivery than content. You can make Siri speak faster or slower, and sound more or less expressive, but the words it chooses stay the same. It’s a narrower kind of personalization, but also more predictable — you know what you’re getting.

That said, Apple has the advantage of deep integration. The new Siri isn’t just a voice; it’s woven into the OS. You can start a conversation by speaking, by swiping down from the Dynamic Island, by tapping the side button, or by opening the brand-new standalone Siri app. ChatGPT, by contrast, is a third-party app you have to launch.

How to find and use the new Siri controls

If you’re running iOS 27 beta 3, here’s where to look:

• Open Settings → Accessibility → Siri.
• Under Voice Customization, you’ll see the new Pace and Expressivity sliders.
• Tap the play button next to each sample phrase to hear the effect in real time.
• You can also switch between different accent voices from the same menu.

The controls are also accessible from the Siri settings in the main Settings app, though Apple has tucked them under Accessibility for now — likely because they affect how the assistant communicates, which is a core usability concern.

What else changed in iOS 27 beta 3

Beyond the voice sliders, beta 3 brings a few smaller updates. The Reminders app icon has been refreshed — a minor visual tweak that aligns with Apple’s ongoing design language. More notably, some testers on X (formerly Twitter) report that after updating, their phones have started re-indexing data. That’s the first step in optimizing Siri AI for search, and it’s normal for a beta. A few users also say they’ve temporarily lost access to the new Siri after the update, though a restart usually fixes it.

Why this matters for the future of Siri

Apple is clearly betting that a more expressive, customizable voice will make Siri feel less like a tool and more like a companion. The generative AI rebuild, which started rolling out in pieces over the past year, aims to make Siri capable of more natural conversations — understanding context, remembering past requests, and even generating responses on the fly.

The pace and expressivity sliders are a small part of that puzzle, but they’re an important one. Voice is the primary interface for AI assistants, and small changes in tone and speed can dramatically affect how users perceive the interaction. A Siri that sounds rushed might feel impatient; one that’s too slow might feel dim. Letting users dial in their preference is a smart move, especially as Apple tries to catch up with rivals like ChatGPT and Google Assistant.

Will it be enough to win back users who’ve switched to other assistants? That’s a bigger question. But for now, anyone on the iOS 27 beta can finally tell Siri: slow down, speed up, or show a little more emotion.

Gemini’s memory-powered image tool drops the paywall

Google just made one of its smartest AI tricks available without a subscription. Starting now, eligible users in the U.S. can generate personalized images using Gemini’s memory — completely free. That feature was previously locked behind the paid Gemini Advanced tier.

The tool runs on what Google calls the Nano Banana image model. But the real magic isn’t the pixels. It’s how Gemini taps into what it already knows about you.

Instead of feeding the AI a laundry list of your hobbies, pets, and favorite foods, you can just say: “Draw me with my favorite things.” Gemini fills in the blanks using data from your Google account.

This is Gemini personalized image generation at its most useful. And now anyone in the U.S. with a free Google account can try it.

How it works: Gemini connects the dots

Normally, getting an AI image to reflect your personality means writing a painfully detailed prompt. You describe your dog, your coffee obsession, your hiking gear, your cat’s name. It’s tedious.

Gemini skips most of that. If you opt into a feature called Personal Intelligence, the model pulls context from connected Google services: Gmail, Google Photos, YouTube, and Search. It learns your interests without you having to spell them out every time.

The feature can even grab photos straight from your Google Photos library. That means you don’t need to upload a reference shot every time you want AI art that actually looks like you. Just enable the connection, and Gemini handles the rest.

None of this happens automatically. Personal Intelligence is entirely opt-in. You choose which services Gemini can access. And once it’s on, a toggle in the Tools menu lets you switch it off whenever you want a more generic result.

More than a free feature — it’s a strategy

This rollout isn’t just about giving away a cool toy. It signals where Google wants Gemini to go: from a chatbot that answers questions to a digital assistant that genuinely knows you.

Personal Intelligence first appeared in the U.S. earlier this year, then expanded to India and Japan. Personalized image generation feels like the natural next step. It’s the kind of feature that makes an AI feel less like a search engine and more like a companion.

Google has been busy. Recent announcements include a Daily Brief feature, a redesigned app, access to new AI video tools, and a planned personal AI agent called Gemini Spark. With Gemini already crossing 750 million monthly active users, the company isn’t slowing down.

Making Gemini personalized image generation free could be a smart move to keep curious users around — even after the novelty of AI chatbots fades. It’s a way to show that Gemini can do things other bots can’t.

What you can actually create

The images aren’t just generic AI art. Because Gemini understands your context, the results feel personal. Ask for “a picture of me relaxing on a weekend,” and it might include your actual couch, your dog, and the book you’ve been reading — based on what it knows.

Here’s what the feature can pull from:

• Your interests — from YouTube watch history and Search activity
• Your photos — from Google Photos, so the AI knows your face, your pet, your favorite spots
• Your routines — from Gmail and Calendar context (if you allow it)

It’s not perfect. The AI still makes mistakes, and the images can feel a bit off. But the personalization is real. And for a free tool, it’s impressive.

Privacy controls you should know about

Google is pushing hard on personalization. But it’s also giving you levers to pull. Personal Intelligence is off by default. You have to flip the switch yourself.

Once enabled, you can:

• Choose which Google services Gemini can access
• Turn off personalization per prompt using the Tools toggle
• Delete your Personal Intelligence data at any time

That matters. Not everyone wants an AI combing through their Gmail to generate a picture. But for those who do, the payoff is an image that actually feels like you.

What this means for the AI image generation race

Google isn’t the only player in town. OpenAI’s DALL-E, Midjourney, and Adobe Firefly all offer powerful image generation. But none of them tie into your personal data the way Gemini does.

That’s the differentiator. Gemini doesn’t just generate images. It generates images informed by your digital life. It knows what your dog looks like. It knows you love hiking in the Pacific Northwest. It knows your favorite coffee mug.

For now, the feature is limited to U.S. users. But given Google’s expansion pattern, it’s likely to reach more countries soon. The company is betting that personalization — not just raw image quality — is what keeps people coming back.

And with 750 million monthly active users, that bet might just pay off.