Model comparison
Exaone 4.0 32B vs GPT-5.5 Pro
Head-to-head evidence from 1 shared benchmark result across 1 category. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Exaone 4.0 32B #170 (Estimated); GPT-5.5 Pro #38 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Exaone 4.0 32B and GPT-5.5 Pro share 1 comparable benchmark result. 1 of 8 categories are comparable. 12 results are unique to Exaone 4.0 32B; 6 to GPT-5.5 Pro.
Updated July 22, 2026- Shared results
- 1
- Exaone 4.0 32B only
- 12
- GPT-5.5 Pro only
- 6
- Comparable categories
- 1 / 8
Pick GPT-5.5 Pro if you want the stronger benchmark profile. Exaone 4.0 32B only becomes the better choice if knowledge is the priority.
Confidence note. This is a partial-evidence comparison with 1 shared benchmark result across 1 evidence category; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
GPT-5.5 Pro is clearly ahead on the BenchAlign aggregate, 63.69 to 40.44. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
GPT-5.5 Pro gives you the larger context window at 1M, compared with 128K for Exaone 4.0 32B.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Exaone 4.0 32B | Δ | GPT-5.5 Pro |
|---|---|---|---|
| Knowledge | Exaone 4.0 32B81.8 | Margin← 24.6 | GPT-5.5 Pro57.2 |
| Agentic | Exaone 4.0 32BNot measured | MarginNo overlap | GPT-5.5 Pro90.1 |
| Math | Exaone 4.0 32BNot measured | MarginNo overlap | GPT-5.5 Pro48.1 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Exaone 4.0 32B | GPT-5.5 Pro | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Exaone 4.0 32BNot available | GPT-5.5 Pro$30 input / $180 output | A complete price comparison is not available. |
| Generation speedtokens per second | Exaone 4.0 32BNot available | GPT-5.5 ProNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Exaone 4.0 32BNot available | GPT-5.5 ProNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Exaone 4.0 32B128K | GPT-5.5 Pro1M | GPT-5.5 Pro lists the larger context window. |
Benchmark Deep Dive
Agentic2 benchmarks
Coding1 benchmarks
| Benchmark | Exaone 4.0 32B | GPT-5.5 Pro | Result |
|---|---|---|---|
| AA-SciCodeSource | 25.2% | — | Not comparable |
Reasoning2 benchmarks
KnowledgeExaone 4.0 32B wins9 benchmarks
| Benchmark | Exaone 4.0 32B | GPT-5.5 Pro | Result |
|---|---|---|---|
| MMLU-ProSource | 81.8% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 6.0% | — | Not comparable |
| AA-GPQA DiamondSource | 62.8% | — | Not comparable |
| AA-HLESource | 4.9% | — | Not comparable |
| AA-Omniscience IndexSource | -62.3% | — | Not comparable |
| AA-Omniscience AccuracySource | 10.4% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 81.0% | — | Not comparable |
| HLESource | — | 57.2% | Not comparable |
| HLE w/o toolsSource | — | 43.1% | Not comparable |
Math4 benchmarks
Inst. Following1 benchmarks
| Benchmark | Exaone 4.0 32B | GPT-5.5 Pro | Result |
|---|---|---|---|
| AA-IFBenchSource | 33.5% | — | Not comparable |
Frequently Asked Questions (2)
Which is better, Exaone 4.0 32B or GPT-5.5 Pro?
GPT-5.5 Pro is ahead on BenchLM's BenchAlign leaderboard, 63.69 to 40.44.
Which is better for knowledge tasks, Exaone 4.0 32B or GPT-5.5 Pro?
Exaone 4.0 32B has the edge for knowledge tasks in this comparison, averaging 81.8 versus 57.2. GPT-5.5 Pro stays close enough that the answer can still flip depending on your workload.
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