Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
This page compares Google: Gemini 3.1 Pro Preview Custom Tools (Google) and Gemini 3.6 Pro (Google) using the latest snapshots we have as of Aug 17, 2026. Gemini 3.6 Pro wins on output price at $5/1M. Gemini 3.6 Pro has the larger context window (2M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.
Auto-discovered from OpenRouter (google/gemini-3.1-pro-preview-customtools). Preview until a second source matches.
Current Google Pro-class multimodal model. Long context, strong coding, billed like the 3.x Pro tier.
Instant pairwise benchmark recalculation across 400+ LLMs
Category wins across intelligence, speed, and pricing efficiency.
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
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
No shared data
No shared data
$7.00/1M cheaper
Simulate monthly production API costs based on published $/1M tokens.
Gemini 3.6 Pro is estimated to save $131.25/month ($1,575/year).
Need SWE-bench on both sides.
Lower output list price ($5/1M).
Need TTFT on both sides.
Larger window (2M).
Gemini 3.6 Pro is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | Gemini 3.6 Pro | Lower output list price ($5/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | Gemini 3.6 Pro | Larger window (2M). |
| Screenshots / vision | Gemini 3.6 Pro | Gemini 3.6 Pro is the side marked multimodal in the catalog. |
3.7 Flash vs 3.6 Pro is the current Google volume-versus-upgrade pair.
Top Anthropic vs top Google. Usually Opus 5 vs 3.6 Pro. Two different invoices.
Hub remaps to top Google vs top OpenAI Elo. Usually 3.6 Pro vs Sol. Window vs price is the plot.
2M context, Pro-class Elo and coding. Upgrade path from Flash is this page, not a vibe check.
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The real PNG is generated at /compare/gemini-3-1-pro-preview-customtools-vs-gemini-3-6-pro/opengraph-image for crawlers.
Verified head-to-head card
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