Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Gemini 3.6 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,506 vs 1,295), while Gemini 3.6 Flash leads in SWE-bench software engineering benchmarks (70.8%), while Gemini 2.5 Flash is more budget-friendly at $0.4/1M per 1M output tokens, while Gemini 3.6 Flash provides faster response streaming (198 tok/s). 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
Previous Google speed workhorse.
Google Jul 21 workhorse. Now shares the 3.7 Flash introductory $0.75/$3.75 rate through Dec 31 2026.
Currently comparing Gemini 2.5 Flash vs Gemini 3.6 Flash. Alternative family tiers available.
Δ 211 Arena Elo pts
198 tok/s
$0.4 / 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 | Gemini 2.5 Flash | Gemini 3.6 Flash | Advantage Delta |
|---|---|---|---|
| Preference Elo | +211 | ||
| Coding Elo | — | — | |
| LiveBench | +15.8% | ||
| SWE-bench | +22.8% | ||
| GPQA Diamond | +11.4% | ||
| Time to first token | +18 ms | ||
| Output speed | 185 tok/s | 198 tok/s | +13 tok/s |
| Input price | $0.1/1M | $0.75/1M | +$0.65/1M |
| Output price | $0.4/1M | $3.75/1M | +$3.35/1M |
| Context window | +49k |
Simulate monthly production API costs in USD (US Dollar).
Gemini 2.5 Flash is estimated to save $73.00/month ($876/year).
Higher SWE-bench (70.8%).
Lower output list price ($0.4/1M).
Lower TTFT (92 ms).
Larger window (1M).
Both accept images. Defaulting to the higher-Elo side (Gemini 3.6 Flash).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Gemini 3.6 Flash | Higher SWE-bench (70.8%). |
| High-volume chat | Gemini 2.5 Flash | Lower output list price ($0.4/1M). |
| Voice / low-latency UI | Gemini 3.6 Flash | Lower TTFT (92 ms). |
| Long-document RAG | Gemini 3.6 Flash | Larger window (1M). |
| Screenshots / vision | Gemini 3.6 Flash | Both accept images. Defaulting to the higher-Elo side (Gemini 3.6 Flash). |
Jul 21 workhorse that inherited $0.75/$3.75 through year-end. Keep the row; 3.7 is the newer sibling.
Useful as a cheap historical compare. 3.7 Flash is the 2026 volume SKU.
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