FideAI
Paper 02 · Research call FID-056

Knowing When to Defer

How Language Models Use and Bypass Sources of Record

When an AI system can check an authoritative Scripture source, will it actually do so, or answer from memory instead?

Alex Chao · Fide AI · August 2026

Study at a glance

Requests tested
4,800
Model families
6
Passage targets
20
Request styles
2
Repeat trials
5 per case

Research question

Will the AI check the source?

We tested whether models consulted Scripture before quoting or simply answered from memory.

Why it matters

Fluency can hide the source

A confident, correct-looking quotation does not reveal whether the words were actually checked.

What we changed

The instructions

The same requests were tested while system and user instructions either agreed or conflicted.

Main takeaway

Access alone is not enough

A source can be connected and still remain outside the answer unless its use is enforced.

Start with Paper 01

How reliably can AI quote Scripture in the first place?

The preceding study compares four ways of producing exact Scripture quotations and traces where errors occur from passage selection through final delivery.

Read Paper 01: When Not to Generate →

The study in plain language

What makes an AI check Scripture before it quotes?

Giving an AI system access to an authoritative source does not mean it will use that source. That distinction matters when people ask for Scripture: a fluent answer from model memory may look trustworthy even when the system could have checked the words against a source of record.

We call it source use when the AI consults the Scripture source before answering. We tested 4,800 exact-quotation requests. Under ordinary requests, models consulted the source about 95% of the time whether the system described it as available or required. The difference appeared when the user explicitly asked the model to avoid tools and answer from memory. Source use then fell to 30.6% under discretionary availability but remained at 84.7% when a higher-priority system instruction required consultation. Required here means instructed, not technically enforced: some models still bypassed the source. And among calls that were made, 10.9% requested the wrong reference. Reliable quotation therefore requires separate checks for source use, reference selection, and final text.

The decision under study

A source can be connected and still remain outside the answer.

Paper 01 evaluated the full quotation path. Paper 02 moves one step upstream and observes whether the model checks the source before it begins to answer.

01

Request + instruction

The user asks for exact Scripture while the system either makes the source available or says it must be used.

02

Model chooses

The model can call the source or bypass it and answer from memory.

03

Answer delivered

A source call can still select the wrong passage; bypass can still happen to quote correctly.

Primary result

The stronger instruction mattered when the user said not to check.

Each group contains 1,200 requests. In every group the AI could technically ignore the source; only the wording of the instructions changed.

Source available

1,141 / 1,200

Neutral request

95.1%

checked source

Source required

1,140 / 1,200

Neutral request

95.0%

checked source

Source available

367 / 1,200

User says: avoid tools

30.6%

checked source

Source required

1,016 / 1,200

User says: avoid tools

84.7%

checked source

−0.1 pp

Under neutral requests

Source use was already about 95%, so the stronger instruction made almost no difference.

+54.1 pp

Under user pressure

The higher-priority instruction kept far more models checking the source when the user said to avoid tools.

Read this carefully

“Source required” was a system instruction, not an architectural guarantee. The tool remained technically optional, which is why 184 of 1,200 requests still bypassed it when the user said to avoid tools.

Differences across models

The six model families did not react to the instructions in the same way.

Bars show how much the stronger source instruction increased source use when the user said to avoid tools. These results describe the tested model versions on the study dates, not permanent traits or a model ranking.

OpenAI GPT-5.6 Sol

+90.5 pp

DeepSeek V4 Pro

+88.5 pp

Anthropic Claude Sonnet 5

+59.0 pp

Moonshot Kimi K3

+49.0 pp

Zhipu GLM 5.2

+37.5 pp

Google Gemini 3.5 Flash

+0.0 pp

After the source was called

Checking a source did not guarantee that the AI requested the right passage.

We separately tracked whether the AI called the source, requested the intended reference, and reproduced the returned passage exactly.

3,664

01

Source calls

The AI checked the source in 76.3% of all 4,800 requests.

3,264

02

Correct references

Among source calls, 89.1% requested the intended passage.

3,053

03

Exact quotations

Once the right passage was requested, 93.5% reproduced its words exactly.

400 wrong-reference calls

The AI can check the source and still ask for the wrong passage.

Every wrong-reference source call included an overlapping same-chapter call; one also included an unrelated call. Calling a source and choosing the right passage are separate checks.

54.2% exact after bypass

A correct-looking quote does not prove source use.

Models sometimes reproduced the requested span exactly without consulting the source. Exact text and evidence of source use are related but distinct outcomes.

What this changes

Do not make users guess whether the AI checked its source.

A fluent answer cannot prove where its words came from. Systems should record source use, show what was requested, and technically enforce consultation when an instruction alone is not enough.

  1. 01

    Record source use

    Record whether the source was called before the answer, not merely whether a tool was configured.

  2. 02

    Check the request

    Verify the work, translation, reference, and span sent to the source.

  3. 03

    Separate instruction from enforcement

    An instruction can influence behavior; only the system's architecture can make consultation mandatory.

  4. 04

    Verify final delivery

    Confirm that the returned text survives generation, wrappers, and rendering intact.

For churches and Christian builders

Ask for evidence that Scripture was consulted.

An exact quotation can shape sermons, lessons, pastoral conversations, and personal study. Institutions should test how systems behave when convenience, latency, or user preference pushes against source consultation—not only when every instruction agrees.

Beyond Scripture

The method transfers; the measured rates do not.

Legal rules, clinical instructions, standards, policies, and contracts can also require a system to consult a source of record. Different tools and incentives may produce different behavior, so these effect sizes should not be assumed outside the declared Scripture setting without replication.

Study design

The same requests were repeated across every study condition.

We tested every combination of passage, request style, system instruction, user instruction, and model family five times. All 4,800 scheduled requests completed.

20

passage targets

2

prompt families

2

system instructions

2

user conditions

6

model families

5

repetitions

Bible translation

The study used the public-domain Berean Standard Bible as one fixed English translation.

What counted

The primary result records whether the model called the Scripture source before showing its answer.

What the results cover

The findings apply to these 20 passages, six model versions, instructions, and study dates. Broader claims require new testing.

Research roles

The Apologist Project maintains the shared experimental implementation. Fide AI controlled study design, execution, analysis, evidence custody, and claims.

Citation

BibTeX
@misc{chao2026knowingwhentodefer,
  title  = {Knowing When to Defer: How Language Models Use and Bypass
            Sources of Record},
  author = {Chao, Alex},
  year   = {2026},
  note   = {Fide AI. Study FID-056-P02.},
  url    = {https://github.com/FideAI/scripture-quotation-fidelity}
}

Interpretation limits

Results apply only to the tested model versions, study dates, 20-target Protestant-canon panel, English prompts, Berean Standard Bible source translation, instruction wording, and scoring protocol. They do not establish a model or vendor ranking, theological correctness, exegetical quality, pastoral safety, deployment readiness, universal tool-use behavior, or performance on other translations, languages, sacred texts, or sources of record. The contextual prompts received AI-assisted review, not validation by a credentialed biblical scholar.