Benchmark Almanac

Broken Search Tool

GPT-6 Cyber 0.33% leads since November 2026
In use

Models answer questions that need search while the search tool is broken. Scored on how often they fail to say the tool is unavailable.

In-house OpenAI evaluation. The tasks are not public.

Made by
OpenAI
Released
August 2025
Kind
Deception and alignment
Level
Everyday
Scored
Graded by a model
Answers
Agent task
Tasks
Kept private
Strongest model tested
GPT-6 Astra #3 on the capability index
Last in a launch post
November 2026
Last model added
November 2026
9
Models scored in lab cards
1
Launch post lists it, from 1 lab
12
System cards report it, from 1 lab

GPT-6 Cyber leads with 0.33%

Best score per model as labs report them in their own cards. Labs pick their own settings, so these compare less cleanly than independent runs.

  1. 1 GPT-6 Cyber 0.33%
  2. 2 GPT-Rosalind-6 1.30%
  3. 3 GPT-6.1 Terra 1.83%
  4. 4 GPT-6.1 Sol 2.08%
  5. 5 GPT-6 Sol 4.92%
  6. 6 GPT-6 Luna 7.83%
  7. 7 GPT-6 Astra 8.08%
  8. 8 GPT-5.2 9.10%
  9. 9 GPT-5 11%

Source: Labs’ model cards

#ModelScoreSettingDateSource
1 GPT-6 Cyber 0.33% Nov 2026 Lab model card
2 GPT-Rosalind-6 1.30% Oct 2026 Lab model card
3 GPT-6.1 Terra 1.83% Oct 2026 Lab model card
4 GPT-6.1 Sol 2.08% Sep 2026 Lab model card
5 GPT-6 Sol 4.92% Sep 2026 Lab model card
6 GPT-6 Luna 7.83% Oct 2026 Lab model card
7 GPT-6 Astra 8.08% Sep 2026 Lab model card
8 GPT-5.2 9.10% Dec 2025 Lab model card
9 GPT-5 11% Aug 2025 Lab model card

8 models have held number one in labs’ own numbers since its release in August 2025

Lab claims count from the day the card came out, independent runs from the model’s release.

OpenAI
Lab claims 8 leaders
GPT-6 Cyber 0.33%

Source: Labs’ model cards

Scores over time

All the scores we have, one dot each, so a model tested at several settings appears more than once.

Reported by the lab in its model card Best so far
0% 20% 40% 60% 80% 100% 2026 2027 GPT-6 Cyber GPT-6 Sol GPT-5.2 GPT-5 0% 20% 40% 60% 80% 100% 2026 2027 GPT-6 Cyber GPT-6 Astra

Source: Labs’ model cards

One lab put it in a launch post in the last six months

Launch posts from every lab that has listed it, one tick per post. Tall colored ticks include it, and short gray ones leave it out.

OpenAI
DateLaunch postScoreAs the post writes it
Nov 5, 2026 GPT-6 Cyber 0.33 Broken Search Tool, misrepresented tool access or retrieved evidence

12 system cards report it, from 1 lab

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
Nov 5, 2026 GPT-6 Cyber system card 0.33 Broken Search Tool, misrepresented tool access or retrieved evidence Alignment
Oct 30, 2026 GPT-Rosalind-6 system card 1.3 Broken Search Tool, failure to acknowledge unavailable search Alignment
Oct 29, 2026 GPT-6 Luna system card addendum 7.83 Broken Search Tool, failure rate, printed chart label (Figure 7, 7.0.4) Alignment
Oct 26, 2026 GPT-6.1 Terra system card addendum 1.83 Broken Search Tool, failure rate, text and printed chart label (Figure 8, 7.1.2) Alignment
Oct 7, 2026 GPT-6 Sol system card addendum 5.2 Broken Search Tool, combined failure rate, printed chart label of a chart titled ListQA (Figure 7, 7.2.2) Alignment
Oct 7, 2026 GPT-6 Luna system card addendum 9.7 Broken Search Tool, combined failure rate, printed chart label of a chart titled ListQA (Figure 7, 7.2.2) Alignment
Sep 29, 2026 GPT-6.1 Sol system card addendum 2.08 Broken Search Tool, fails to acknowledge unavailable search (7.4.2) Alignment
Sep 22, 2026 GPT-6 Sol system card 4.92 Broken Search Tool, failure rate at maximum reasoning effort, printed chart label (Figure 65, A.6.4.2) Alignment
Sep 22, 2026 GPT-6 Luna system card 28.7 Broken Search Tool, failure rate at maximum reasoning effort, printed chart label (Figure 65, A.6.4.2) Alignment
Sep 3, 2026 GPT-6 Astra system card 8.08 Broken Search Tool, failure rate, printed chart label (Figure 11, 8.3.2) Alignment
Dec 11, 2025 GPT-5.2 system card addendum 9.1 Deception rate, Browsing Broken Tools, gpt-5.2-thinking (Table 6) Alignment
Aug 7, 2025 GPT-5 system card 11 Browsing Broken Tools, deception rate (Table 9) Alignment

More in Safety and alignment

All 465 in Safety and alignment
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  • StrongREJECT In use Forbidden-prompt jailbreak benchmark with a rubric grader that scores how useful a non-refusal actually is. Inkling 98.6%
  • Gray Swan IPI Arena benchmark In use Indirect prompt-injection attacks from public red-teaming competitions replayed on tool, coding and browser agents. Attack success rate at k attempts. Gemini 4 Carbon 0%
  • DistressBench In use Models reply as a chatbot to 718 simulated users in psychological crisis, in single-turn and multi-turn chats. Three judge models score replies against clinician-written rubrics. Muse Spark 1.2 88.4%
  • Lakera B3 (Backbone Breaker Benchmark) In use Crowdsourced prompt-injection attacks hit backbone LLMs inside agent threat snapshots at three defense levels. The score is attack resistance, 100 minus the board's vulnerability percentage. Claude Opus 4.5 89%
  • IHEval In use Models face conflicts between system, user and tool instructions. Reports a composite score for following the higher-priority instruction. GPT-4o 70%