GPT-5.4 Pro vs Qwen3.5-122B-A10B

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Agentic
Coding
Multimodal & Grounded
Reasoning
Knowledge
Instruction Following
Multilingual
Mathematics

GPT-5.4 Pro· Qwen3.5-122B-A10B

Quick Verdict

Pick GPT-5.4 Pro if you want the stronger benchmark profile. Qwen3.5-122B-A10B only becomes the better choice if you want the cheaper token bill.

GPT-5.4 Pro is clearly ahead on the aggregate, 92 to 71. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.

GPT-5.4 Pro's sharpest advantage is in reasoning, where it averages 95.7 against 60.2. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 90% to 49.4%.

GPT-5.4 Pro is also the more expensive model on tokens at $30.00 input / $180.00 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-5.4 Pro gives you the larger context window at 1.05M, compared with 262K for Qwen3.5-122B-A10B.

Operational tradeoffs

Price$30.00 / $180.00Free*
Speed74 t/sN/A
TTFT151.79sN/A
Context1.05M262K

Decision framing

BenchLM keeps the benchmark table and the operator tradeoffs on the same page so a better score does not hide a materially slower, pricier, or smaller-context model.

Runtime metrics show N/A when BenchLM does not have a sourced snapshot for that exact model. The scoring rules and freshness policy are documented on the methodology page.

BenchmarkGPT-5.4 ProQwen3.5-122B-A10B
AgenticGPT-5.4 Pro wins
Terminal-Bench 2.090%49.4%
BrowseComp89.3%63.8%
OSWorld-Verified84%58%
tau2-bench79.5%
CodingGPT-5.4 Pro wins
HumanEval95%
SWE-bench Verified86%72%
LiveCodeBench86%78.9%
SWE-bench Pro89%
Multimodal & GroundedGPT-5.4 Pro wins
MMMU-Pro94%76.9%
ReasoningGPT-5.4 Pro wins
MuSR95%
BBH98%
LongBench v295%60.2%
MRCRv297%
KnowledgeGPT-5.4 Pro wins
MMLU99%
GPQA99%86.6%
SuperGPQA97%67.1%
MMLU-Pro94%86.7%
HLE50%
FrontierScience92%
SimpleQA97%
Instruction FollowingGPT-5.4 Pro wins
IFEval97%93.4%
MultilingualGPT-5.4 Pro wins
MGSM97%
MMLU-ProX95%82.2%
Mathematics
AIME 202399%
AIME 202499%
AIME 202599%
HMMT Feb 202396%
HMMT Feb 202498%
HMMT Feb 202597%
BRUMO 202597%
MATH-50099%
Frequently Asked Questions (8)

Which is better, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro is ahead overall, 92 to 71. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 90% and 49.4%.

Which is better for knowledge tasks, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for knowledge tasks in this comparison, averaging 84.9 versus 81.6. Inside this category, SuperGPQA is the benchmark that creates the most daylight between them.

Which is better for coding, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for coding in this comparison, averaging 87.2 versus 76.3. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.

Which is better for reasoning, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for reasoning in this comparison, averaging 95.7 versus 60.2. Inside this category, LongBench v2 is the benchmark that creates the most daylight between them.

Which is better for agentic tasks, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for agentic tasks in this comparison, averaging 87.7 versus 56. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.

Which is better for multimodal and grounded tasks, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for multimodal and grounded tasks in this comparison, averaging 94 versus 76.9. Inside this category, MMMU-Pro is the benchmark that creates the most daylight between them.

Which is better for instruction following, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for instruction following in this comparison, averaging 97 versus 93.4. Inside this category, IFEval is the benchmark that creates the most daylight between them.

Which is better for multilingual tasks, GPT-5.4 Pro or Qwen3.5-122B-A10B?

GPT-5.4 Pro has the edge for multilingual tasks in this comparison, averaging 95.7 versus 82.2. Inside this category, MMLU-ProX is the benchmark that creates the most daylight between them.

Last updated: March 31, 2026

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