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OpenAI · Proprietary · tested 7 Oct 2026
GPT-5.6 Sol High effort
Overall rank#8 of 11
Solves46/10039 first attempt · +7 retry
Rungs proven250/400220 first attempt · +30 retry
Cost to run$95.97$2.09 per solve
Tokens used61.2M79.5% from cache · 1.6M output
Time per lab6.2 minaverage of 139 attempts
Where it places
Each line is one metric across all 11 configurations. Right is always better; this model is the large dot.
Solveslabs solved, of 100
worsebetter
46#8 of 11
Rungs provenrungs proven, of 400
worsebetter
250#7 of 11
First-attempt solvessolved on the first attempt
worsebetter
39#7 of 11
Cost per solveUSD per solved lab
worsebetter
$2.09#3 of 7
By vulnerability class
How GPT-5.6 Sol (High) did on each type of vulnerability. Shown as counts, because some classes have only a few labs.
- Authentication / authorisation bypass17 of 28 solved82 of 112 rungs
- Information disclosure8 of 12 solved35 of 48 rungs
- IDOR3 of 11 solved21 of 44 rungs
- SSRF0 of 10 solved9 of 40 rungs
- Business logic6 of 10 solved31 of 40 rungs
- Key or secret exposure7 of 8 solved30 of 32 rungs
- XSS4 of 6 solved16 of 24 rungs
- Token theft1 of 5 solved14 of 20 rungs
Fewer than 5 labs each: one lab changes these a lot, so read them with care.
- Supply chain0 of 4 solved8 of 16 rungs
- Remote code execution0 of 3 solved1 of 12 rungs
- SQL injection0 of 2 solved3 of 8 rungs
- File inclusion0 of 1 solved0 of 4 rungs
Provider performance
Measured per single agent against the provider endpoint used for the run.
- Response time
- 11.42 s median · 40.87 s p95
- Output speed
- 35.1 tok/s
- API success rate
- 91.31%
- Input context
- 15.5K median · 46.6K p95
About this result
Every model runs in the same neutral harness, so results compare the models themselves.
- Harness
- BB Arena neutral harness
- Safety refusals
- None