Pairwise benchmark snapshot · Aug 16, 2026
In this head-to-head showdown, Gemini 3.7 Flash delivers higher overall intelligence and human-preferred responses (Elo 1,530 vs 1,295), while Gemini 3.7 Flash leads in SWE-bench software engineering benchmarks (72.4%), while Gemini 2.5 Flash is more budget-friendly at $0.4/1M per 1M output tokens, while Gemini 3.7 Flash provides faster response streaming (215 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 Aug 13 2026 workhorse. Official intro price $0.75/$3.75 per 1M through Dec 31 2026; 1,048,576-token context (Google blog).
Currently comparing Gemini 2.5 Flash vs Gemini 3.7 Flash. Alternative family tiers available.
Δ 235 Arena Elo pts
215 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 3.7 Flash | Advantage Delta |
|---|---|---|---|
| Preference Elo | +235 | ||
| Coding Elo | — | — | |
| LiveBench | +18.2% | ||
| SWE-bench | +24.4% | ||
| GPQA Diamond | +13% | ||
| Time to first token | +28 ms | ||
| Output speed | 185 tok/s | 215 tok/s | +30 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 (72.4%).
Lower output list price ($0.4/1M).
Lower TTFT (82 ms).
Larger window (1M).
Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | Gemini 3.7 Flash | Higher SWE-bench (72.4%). |
| High-volume chat | Gemini 2.5 Flash | Lower output list price ($0.4/1M). |
| Voice / low-latency UI | Gemini 3.7 Flash | Lower TTFT (82 ms). |
| Long-document RAG | Gemini 3.7 Flash | Larger window (1M). |
| Screenshots / vision | Gemini 3.7 Flash | Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash). |
3.7 Flash vs 3.6 Pro is the current Google volume-versus-upgrade pair.
Jul 21 workhorse that inherited $0.75/$3.75 through year-end. Keep the row; 3.7 is the newer sibling.
Google’s current workhorse drop. Official intro list and 1,048,576-token context. Compare to Luna and Haiku.
2M context, Pro-class Elo and coding. Upgrade path from Flash is this page, not a vibe check.
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Verified Head-to-Head Telemetry
launch · Mar 25, 2025
Gemini 2.5 Flash: previous Google speed workhorse, still a baseline
compare · Aug 13, 2026
Gemini Flash vs Pro: when Flash is the whole product
price · Aug 13, 2026
Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate
launch · Aug 13, 2026
Gemini 3.7 Flash (Aug 13): $0.75/$3.75 intro through Dec 31 2026
