Model comparison
Exaone 4.0 1.2B vs Solar Pro 2
Head-to-head evidence from 11 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Exaone 4.0 1.2B #179 (Estimated); Solar Pro 2 #167 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Exaone 4.0 1.2B and Solar Pro 2 share 11 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Exaone 4.0 1.2B; 0 to Solar Pro 2.
Updated July 23, 2026- Shared results
- 11
- Exaone 4.0 1.2B only
- 0
- Solar Pro 2 only
- 0
- Comparable categories
- 0 / 8
Benchmark data for Exaone 4.0 1.2B and Solar Pro 2 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 11 shared benchmark results across 5 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Exaone 4.0 1.2B | Solar Pro 2 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Exaone 4.0 1.2BNot available | Solar Pro 2Not available | A complete price comparison is not available. |
| Generation speedtokens per second | Exaone 4.0 1.2BNot available | Solar Pro 2Not available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Exaone 4.0 1.2BNot available | Solar Pro 2Not available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Exaone 4.0 1.2B128K | Solar Pro 2128K | Listed context windows are equal. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | Exaone 4.0 1.2B | Solar Pro 2 | Result |
|---|---|---|---|
| τ²-bench resultsSource | 20.5% | 31.9% | Solar Pro 2 leads |
Coding1 benchmarks
| Benchmark | Exaone 4.0 1.2B | Solar Pro 2 | Result |
|---|---|---|---|
| AA-SciCodeSource | 7.4% | 24.8% | Solar Pro 2 leads |
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | Exaone 4.0 1.2B | Solar Pro 2 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 2.8% | 7.8% | Solar Pro 2 leads |
| AA-GPQA DiamondSource | 42.4% | 56.1% | Solar Pro 2 leads |
| AA-HLESource | 5.8% | 3.8% | Exaone 4.0 1.2B leads |
| AA-Omniscience IndexSource | -82.6% | -61.7% | Solar Pro 2 leads |
| AA-Omniscience AccuracySource | 4.7% | 15.6% | Solar Pro 2 leads |
| AA-Omniscience Hallucination RateSource | 91.5% | 91.5% | Tie |
Inst. Following1 benchmarks
| Benchmark | Exaone 4.0 1.2B | Solar Pro 2 | Result |
|---|---|---|---|
| AA-IFBenchSource | 25.3% | 33.7% | Solar Pro 2 leads |
Frequently Asked Questions (2)
Can I compare Exaone 4.0 1.2B and Solar Pro 2 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
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