FR-20260801-001
Fable 5: bio safeguard refusal
August 1, 2026 at 4:43:08 PM UTC UTC
- Anthropic charge
- $3.224742
- Submitted packet
- 603,683 bytes
- Cache input
- 242,078 tokens
- Findings returned
- 0
Provider response
Anthropic's recorded message
API Error: Fable 5's safeguards flagged this message (https://www.anthropic.com/legal/aup). They may flag safe, normal content as well. These measures let us bring you Mythos-level capabilities sooner, and we're working to refine them. Claude Code can't respond to this request with Fable 5. Try rephrasing the request in a new session or change your model. Learn more: https://support.claude.com/en/articles/15363606
The wrapper separately instructed API integrators to configure a fallback model. Fable did not evaluate the replication or return any scientific finding. Under the current review policy this is a charged non-response with decision weight 0, not a scientific HARD_FAIL.
Cost and reviewer impact
Reviewer work and funds wasted
Anthropic charged for the invocation but returned no review findings. NULSPEC must now obtain another independent review and a human disposition for work already prepared for Fable.
- Fable
- $3.026385
- Support model
- $0.198357
- Publication state
- blocked_pending_human_review
Independent supplemental review
GLM and Kimi completed independent reviews.
Four valid outputs across two model families returned eight-area PASSdecisions. The depth comparison below preserves three parameter variants for later analysis; it is not counted as three independent replications. Anthropic's refusal returned no review and cost 20.46 times the high-depth GLM review and 4.34 times the high-depth Kimi review.
Saved comparison set
Reasoning-depth comparison
Preserve calibrated-low Kimi, high-depth GLM, and high-depth Kimi reviews for longitudinal harness analysis.
- Reasoning
- low
- Output limit
- 32,768
- Actual output
- 1,681 tokens
- Reasoning used
- 128 tokens
- Elapsed
- 23.9 s
- Charge
- $0.534315
- Reasoning
- high
- Output limit
- 131,072
- Actual output
- 7,739 tokens
- Reasoning used
- 4,326 tokens
- Elapsed
- 200.3 s
- Charge
- $0.157606
- Reasoning
- high
- Output limit
- 870,000
- Actual output
- 15,554 tokens
- Reasoning used
- 9,631 tokens
- Elapsed
- 250.1 s
- Charge
- $0.742362
Complete paid-attempt history (6)
- Status
- substantive pass contract mismatch
- Indicated verdict
- PASS
- Charge
- $0.047103
- Tokens
- 185,373 in / 1,452 out
The review was complete and marked every check PASS, but one redundant next-step field named the FAIL workflow. The unmodified attempt is retained and was not accepted as release-valid.
- Status
- incomplete length limit harness calibration
- Indicated verdict
- PASS
- Charge
- $1.123173
- Tokens
- 169,594 in / 16,000 out
NULSPEC used a generic high-reasoning harness that allowed reasoning to consume 13,452 of 16,000 completion tokens. Kimi began a PASS review but reached that limit before closing the structured response. The output is retained as an incomplete integration attempt, not treated as a model failure or valid review.
- Status
- completed valid
- Indicated verdict
- PASS
- Charge
- $0.046745
- Tokens
- 185,373 in / 1,253 out
GLM returned a valid PASS review with all eight required checks passing and no action items. Publication and author-email authorization remain false pending human disposition.
Validated review JSON ↗- Status
- completed valid
- Indicated verdict
- PASS
- Charge
- $0.534315
- Tokens
- 169,700 in / 1,681 out
After NULSPEC replaced the generic harness with Kimi-specific prompting, low reasoning effort, a larger completion ceiling, and compatible-provider routing, Kimi returned a valid PASS with all eight required checks passing and no action items. Publication and author-email authorization remain false pending human disposition.
Validated review JSON ↗- Status
- completed valid
- Indicated verdict
- PASS
- Charge
- $0.157606
- Tokens
- 185,429 in / 7,739 out
With high reasoning and GLM's documented 131,072-token output maximum, GLM returned a valid detailed PASS with all eight checks passing and no action items. Publication and author-email authorization remain false pending human disposition.
Validated review JSON ↗- Status
- completed valid
- Indicated verdict
- PASS
- Charge
- $0.742362
- Tokens
- 169,684 in / 15,554 out
With high reasoning and the largest packet-safe allowance under Kimi's 1,048,576-token context, Kimi returned a valid detailed PASS with all eight checks passing and no action items. Publication and author-email authorization remain false pending human disposition.
Validated review JSON ↗No-charge transport and integration events (3)
NULSPEC environment-loader error
Matching outer quotes from the ignored environment value are now normalized without evaluating or printing the file.
External provider transport event; the runner initially classified the empty response too generically.
The runner now classifies top-level provider errors before parsing model choices and routes recovery across parameter-compatible providers.
Trace integrity and public projection
- Reviewed commit
68188afc7305e5168d33c5278968f7a26b403a40- Packet SHA-256
5eabac56ae0d25cecc11a308e669d4de95911e4e3f7c81f533b66eafe9ac53ea- Prompt SHA-256
182d3718f8c38aef22585ad44c5fd2d44d56e54b21c3772b302322ec9ee9b95d- Raw response SHA-256
82ccbc735ef4dd8d9b627df993ee9f1e819c7a67e4b493ad4ffc51d9bc24b4c9- Raw response bytes
- 5,118
- Standard error
- 0 bytes
The public record omits local paths, request and session identifiers, authentication-source metadata, and internal UUIDs. The unmodified wrapper is retained by SHA-256 in the lab archive.