Model comparison
Claude Instant vs Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite has enough public results to be ranked (#144); Claude Instant does not yet, so treat this comparison as directional.
Last verified . 2 shared benchmarks.
GoogleSummary
- They share 2 benchmarks with published results for both. Claude Instant scores higher in 0 categories and Gemini 3.1 Flash Lite in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Flash Lite leads 22.9 to 19.6.
- The biggest single-benchmark swing is DTBench: 45.8% for Claude Instant and 76.8% for Gemini 3.1 Flash Lite.
Side by side
| Claude Instant | Gemini 3.1 Flash Lite | |
|---|---|---|
| Provider | Anthropic | |
| Noometry Index | 29.5 | 40.8 |
| Released | 2023-08-09 | 2026-03-03 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $1.50 |
| Results tracked | 7 | 38 |
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Category by category
Coding Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 37.8 (#188)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| LMArena Coding | — | 1400 |
| ALE-Bench | — | 797.73 |
| HumanEval+ | 50.6% | — |
Agentic & Tool Use Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 30.2 (#79)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |
Reasoning Gemini 3.1 Flash Lite leads
Claude Instant: 19.6, Gemini 3.1 Flash Lite: 22.9 (#186)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| DTBench | 45.8% | 76.8% |
| Epoch Capabilities Index | 120.28 | 144.47 |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| EnigmaEval | — | 3% |
| Thematic Generalization | — | 63.3% |
| LMArena Hard Prompts | — | 1407 |
| LMCA | — | 35% |
| ForecastBench | — | 54.4 |
Math Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 40.7 (#90)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 27.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |
| LMArena Math | — | 1428 |
| GSM8K | 86.7% | — |
Knowledge Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 41.9 (#104)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| GPQA Diamond | — | 81.8% |
| Humanity's Last Exam | — | 8.6% |
| Vectara Hallucination Rate | — | 8.2% |
| LMArena Expert | — | 1398 |
| ARC (AI2) Challenge | 86.3% | — |
| MMLU | 73.4% | — |
| TriviaQA | 78.9% | — |
Multimodal Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 39.4 (#60)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1240 |
Multilingual Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 52.3 (#86)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | — | 1411 |
| LMArena Chinese | — | 1461 |
| LMArena French | — | 1424 |
| LMArena German | — | 1429 |
| LMArena Japanese | — | 1413 |
| LMArena Korean | — | 1392 |
| LMArena Russian | — | 1420 |
| LMArena Spanish | — | 1421 |
Instruction Following Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 72.7 (#131)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | — | 1377 |
Long Context Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 42.5 (#122)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | — | 1394 |
Writing & Preference Not comparable
Claude Instant: —, Gemini 3.1 Flash Lite: 60.9 (#94)
| Benchmark | Claude Instant | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | — | 1416 |
| LMArena Creative Writing | — | 1401 |
| LMArena Multi-Turn | — | 1417 |
Frequently asked questions
Is Claude Instant better than Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite has enough public results to be ranked (#144); Claude Instant does not yet, so treat this comparison as directional.
How many benchmarks do Claude Instant and Gemini 3.1 Flash Lite share?
2 benchmarks have published results for both models. Claude Instant has 7 scored results on Noometry and Gemini 3.1 Flash Lite has 38.