Head-to-head comparison across 5benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.2
81
Qwen3.5-122B-A10B
65
Verified leaderboard positions: GPT-5.2 unranked · Qwen3.5-122B-A10B #8
Pick GPT-5.2 if you want the stronger benchmark profile. Qwen3.5-122B-A10B only becomes the better choice if reasoning is the priority or you want the cheaper token bill.
Agentic
+0.9 difference
Coding
+7.3 difference
Reasoning
+7.3 difference
Knowledge
+10.8 difference
Multimodal
+3.1 difference
GPT-5.2
Qwen3.5-122B-A10B
$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. Qwen3.5-122B-A10B 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 65. 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 81.6. The single biggest benchmark swing on the page is OSWorld-Verified, 47.3% to 58%. Qwen3.5-122B-A10B 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 Qwen3.5-122B-A10B. That is roughly Infinityx on output cost alone. GPT-5.2 gives you the larger context window at 400K, compared with 262K for Qwen3.5-122B-A10B.
GPT-5.2 is ahead on BenchLM's provisional leaderboard, 81 to 65. The biggest single separator in this matchup is OSWorld-Verified, where the scores are 47.3% and 58%.
GPT-5.2 has the edge for knowledge tasks in this comparison, averaging 92.4 versus 81.6. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Qwen3.5-122B-A10B has the edge for coding in this comparison, averaging 72 versus 64.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Qwen3.5-122B-A10B has the edge for reasoning in this comparison, averaging 60.2 versus 52.9. GPT-5.2 stays close enough that the answer can still flip depending on your workload.
Qwen3.5-122B-A10B has the edge for agentic tasks in this comparison, averaging 56.1 versus 55.2. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
GPT-5.2 has the edge for multimodal and grounded tasks in this comparison, averaging 80.3 versus 77.2. Inside this category, V* is the benchmark that creates the most daylight between them.
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