Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.2
81
Qwen3.5-35B-A3B
56
Verified leaderboard positions: GPT-5.2 unranked · Qwen3.5-35B-A3B #18
Pick GPT-5.2 if you want the stronger benchmark profile. Qwen3.5-35B-A3B only becomes the better choice if reasoning is the priority or you want the cheaper token bill.
Agentic
+4.6 difference
Coding
+6.3 difference
Reasoning
+6.1 difference
Knowledge
+13.1 difference
GPT-5.2
Qwen3.5-35B-A3B
$1.75 / $14
$0 / $0
73 t/s
N/A
130.34s
N/A
400K
262K
Pick GPT-5.2 if you want the stronger benchmark profile. Qwen3.5-35B-A3B only becomes the better choice if reasoning is the priority or you want the cheaper token bill.
GPT-5.2 is clearly ahead on the provisional aggregate, 81 to 56. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.2's sharpest advantage is in knowledge, where it averages 92.4 against 79.3. The single biggest benchmark swing on the page is SWE-bench Verified, 80% to 69.2%. Qwen3.5-35B-A3B does hit back in reasoning, so the answer changes if that is the part of the workload you care about most.
GPT-5.2 is also the more expensive model on tokens at $1.75 input / $14.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Qwen3.5-35B-A3B. That is roughly Infinityx on output cost alone. GPT-5.2 gives you the larger context window at 400K, compared with 262K for Qwen3.5-35B-A3B.
GPT-5.2 is ahead on BenchLM's provisional leaderboard, 81 to 56. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 80% and 69.2%.
GPT-5.2 has the edge for knowledge tasks in this comparison, averaging 92.4 versus 79.3. Inside this category, GPQA is the benchmark that creates the most daylight between them.
GPT-5.2 has the edge for coding in this comparison, averaging 64.7 versus 58.4. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Qwen3.5-35B-A3B has the edge for reasoning in this comparison, averaging 59 versus 52.9. GPT-5.2 stays close enough that the answer can still flip depending on your workload.
GPT-5.2 has the edge for agentic tasks in this comparison, averaging 55.2 versus 50.6. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
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