Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, Gemini 3 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,495 vs 1,280), while Gemini 3 Flash leads in SWE-bench software engineering benchmarks (75.8%), while Gemini 3 Flash is more budget-friendly at $0.6/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
2024 workhorse. Still a high-intent compare against GPT-4o.
Fast Google frontier-adjacent model. Near-top official SWE-bench at a fraction of Opus price.
Δ 215 Arena Elo pts
190 tok/s
$0.6 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Claude 3.5 Sonnet | Gemini 3 Flash | Advantage Delta |
|---|---|---|---|
| Preference Elo | +215 | ||
| Coding Elo | — | — | |
| LiveBench | +14.7% | ||
| SWE-bench | +26.8% | ||
| GPQA Diamond | +13.4% | ||
| Time to first token | +185 ms | ||
| Output speed | 80 tok/s | 190 tok/s | +110 tok/s |
| Input price | $0.15/1M | +$2.85/1M | |
| Output price | $0.6/1M | +$14.4/1M | |
| Context window | +800k |
Simulate monthly production API costs in USD (US Dollar).
Gemini 3 Flash is estimated to save $315.75/month ($3,789/year).
Higher SWE-bench (75.8%).
Lower output list price ($0.6/1M).
Lower TTFT (95 ms).
Larger window (1M).
Both accept images. Defaulting to the higher-Elo side (Gemini 3 Flash).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Gemini 3 Flash | Higher SWE-bench (75.8%). |
| High-volume chat | Gemini 3 Flash | Lower output list price ($0.6/1M). |
| Voice / low-latency UI | Gemini 3 Flash | Lower TTFT (95 ms). |
| Long-document RAG | Gemini 3 Flash | Larger window (1M). |
| Screenshots / vision | Gemini 3 Flash | Both accept images. Defaulting to the higher-Elo side (Gemini 3 Flash). |
No comments posted on this matchup yet. Be the first to share an evaluation note!
Dynamic OpenGraph banner generated at /compare/claude-3-5-sonnet-vs-gemini-3-flash/opengraph-image
Verified Head-to-Head Telemetry
