Model comparison
Gemini 3.5 Flash-Lite vs Hy3 Preview
Head-to-head evidence from 15 shared benchmark results across 4 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Evidence parity. Gemini 3.5 Flash-Lite and Hy3 Preview share 15 comparable benchmark results. 2 of 8 categories are comparable. 6 results are unique to Gemini 3.5 Flash-Lite; 7 to Hy3 Preview.
Updated July 21, 2026- Shared results
- 15
- Gemini 3.5 Flash-Lite only
- 6
- Hy3 Preview only
- 7
- Comparable categories
- 2 / 8
Treat this as a split decision. Gemini 3.5 Flash-Lite makes more sense if agentic is the priority or you need the larger 1M context window; Hy3 Preview is the better fit if coding is the priority or you want the cheaper token bill.
Confidence note. This is a partial-evidence comparison with 15 shared benchmark results across 4 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Gemini 3.5 Flash-Lite and Hy3 Preview finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Gemini 3.5 Flash-Lite is also the more expensive model on tokens at $0.30 input / $2.50 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Hy3 Preview. That is roughly Infinityx on output cost alone. Gemini 3.5 Flash-Lite gives you the larger context window at 1M, compared with 256K for Hy3 Preview.
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 | Gemini 3.5 Flash-Lite | Δ | Hy3 Preview |
|---|---|---|---|
| Agentic | Gemini 3.5 Flash-Lite63.4 | Margin← 9.0 | Hy3 Preview54.4 |
| Coding | Gemini 3.5 Flash-Lite54.2 | Margin→ 3.6 | Hy3 Preview57.8 |
| Reasoning | Gemini 3.5 Flash-Lite72.2 | MarginNo overlap | Hy3 PreviewNot measured |
| Knowledge | Gemini 3.5 Flash-LiteNot measured | MarginNo overlap | Hy3 Preview33.8 |
| Inst. Following | Gemini 3.5 Flash-LiteNot measured | MarginNo overlap | Hy3 Preview63.1 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
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- Source ↗
Terminal-Bench 2.0
AgenticA 54%B 54.4%Winner: Hy3 PreviewΔ 0.4Terminal-Bench 2.0: Gemini 3.5 Flash-Lite scored 54%; Hy3 Preview scored 54.4%. Hy3 Preview wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Gemini 3.5 Flash-Lite | Hy3 Preview | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Gemini 3.5 Flash-Lite$0.3 input / $2.5 output | Hy3 Preview$0 input / $0 output | Hy3 Preview has the lower combined listed price. |
| Generation speedtokens per second | Gemini 3.5 Flash-LiteNot available | Hy3 PreviewNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Gemini 3.5 Flash-LiteNot available | Hy3 PreviewNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Gemini 3.5 Flash-Lite1M | Hy3 Preview256K | Gemini 3.5 Flash-Lite lists the larger context window. |
Benchmark Deep Dive
AgenticGemini 3.5 Flash-Lite wins8 benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | Hy3 Preview | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 54% | 54.4% | Hy3 Preview leads |
| OSWorld-VerifiedSource | 74% | — | Not comparable |
| GDPval-AASource | 1140 | 1214 | Hy3 Preview leads |
| AA Agentic IndexSource | 26.8% | 30.7% | Hy3 Preview leads |
| GDPval-AASource | 32.0% | 35.7% | Hy3 Preview leads |
| AA BriefcaseSource | 634 | — | Not comparable |
| AA Tau3 BankingSource | 16.5% | — | Not comparable |
| Gert LabsSource | — | 36.91% | Not comparable |
CodingHy3 Preview wins6 benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | Hy3 Preview | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 54.0% | 54.4% | Hy3 Preview leads |
| SWE-bench ProSource | 54.2% | — | Not comparable |
| AA Coding IndexSource | 49.3% | 58.8% | Hy3 Preview leads |
| AA-SciCodeSource | 40.9% | 47.6% | Hy3 Preview leads |
| SWE-bench VerifiedSource | — | 74.4% | Not comparable |
| SciCodeSource | — | 41.2% | Not comparable |
Reasoning3 benchmarks
Knowledge9 benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | Hy3 Preview | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 36.5% | 41.2% | Hy3 Preview leads |
| AA-GPQA DiamondSource | 83.8% | 89.7% | Hy3 Preview leads |
| AA-HLESource | 17.5% | 31.6% | Hy3 Preview leads |
| AA-Omniscience IndexSource | 6.9% | -18.5% | Gemini 3.5 Flash-Lite leads |
| AA-Omniscience AccuracySource | 30.3% | 31.5% | Hy3 Preview leads |
| AA-Omniscience Hallucination RateSource | 33.5% | 73.0% | Gemini 3.5 Flash-Lite leads |
| GPQASource | — | 87.2% | Not comparable |
| GPQA-DSource | — | 87.2% | Not comparable |
| HLESource | — | 25.5% | Not comparable |
Multimodal1 benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | Hy3 Preview | Result |
|---|---|---|---|
| AA-MMMU-ProSource | 79.0% | — | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | Hy3 Preview | Result |
|---|---|---|---|
| IFBenchSource | — | 63.1% | Not comparable |
Frequently Asked Questions (3)
Which is better, Gemini 3.5 Flash-Lite or Hy3 Preview?
Gemini 3.5 Flash-Lite and Hy3 Preview are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for coding, Gemini 3.5 Flash-Lite or Hy3 Preview?
Hy3 Preview has the edge for coding in this comparison, averaging 57.8 versus 54.2. Inside this category, AA Coding Index is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Gemini 3.5 Flash-Lite or Hy3 Preview?
Gemini 3.5 Flash-Lite has the edge for agentic tasks in this comparison, averaging 63.4 versus 54.4. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
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