head-to-head · model vs model
Gemini 3.1 Pro Preview vs Gemini 3 Flash Preview
Live matchup data for Gemini 3.1 Pro Preview and Gemini 3 Flash Preview: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.
Gemini 3.1 Pro Preview tape → · Gemini 3 Flash Preview tape →
share of openrouter tokens
as of Jul 7, 2026 · Δ vs ≥7d prior
share of openrouter tokens
as of Jul 7, 2026 · Δ vs ≥7d prior
usage share — openrouter model rankings
Usage crossover
current leader: Gemini 3 Flash Preview
source: OpenRouter model rankings · daily · 90d · ○ 2 lead changes
through Jul 7, 2026
side by side
Spec & pricing
| Spec | Gemini 3.1 Pro Preview | Gemini 3 Flash Preview |
|---|---|---|
| Vendor | ||
| Homepage | openrouter.ai | openrouter.ai |
| Context window | 1M tokens | 1M tokens |
| Input price | $2.00/MTok | $0.5/MTok |
| Output price | $12.00/MTok | $3.00/MTok |
| Cache read | $0.2/MTok | $0.05/MTok |
| Price as of | Jul 8, 2026 · openrouter | Jul 8, 2026 · openrouter |
sources: provider pages · OpenRouter · GitHub · package registries
— = not tracked / not applicable
head to head
Benchmarks
| Benchmark | Gemini 3.1 Pro Preview | Gemini 3 Flash Preview | Source |
|---|---|---|---|
| aa-agentic-index | 21.4 index— · google/gemini-3.1-pro-preview | — | openrouter.ai |
| aa-coding-index | 68.8 index— · google/gemini-3.1-pro-preview | — | openrouter.ai |
| aa-intelligence-index | 46.5 index— · google/gemini-3.1-pro-preview | — | openrouter.ai |
| swe-bench-multilingual | — | 72.7%Feb 13 · mini v2.0.0a0 gemini 3 flash | github.com |
best tracked score per benchmark · scores are not directly comparable across benchmarks
sources linked per row
community pulse
Reddit sentiment
| Signal | Gemini 3.1 Pro Preview | Gemini 3 Flash Preview |
|---|---|---|
sentiment feed pending — Reddit pulse lands with the daily crawl | ||
source: Reddit mentions, LLM-classified sentiment · trailing 30d
awaiting first crawl
faq
Frequently asked
- Is Gemini 3.1 Pro Preview more used than Gemini 3 Flash Preview?
- As of Jul 7, 2026, Gemini 3.1 Pro Preview shows 0.4% of OpenRouter token volume and Gemini 3 Flash Preview shows 2% of OpenRouter token volume. The chart above tracks the full daily series with every lead change marked.
- How does Gemini 3.1 Pro Preview pricing compare to Gemini 3 Flash Preview?
- Gemini 3.1 Pro Preview runs $2.00 per million input tokens and $12.00 per million output tokens (as of Jul 8, 2026). Gemini 3 Flash Preview runs $0.5 per million input tokens and $3.00 per million output tokens (as of Jul 8, 2026). Full plan and per-token detail is in the spec table above, each with its source and capture date.
- How do Gemini 3.1 Pro Preview and Gemini 3 Flash Preview score on coding benchmarks?
- The tape holds 3 tracked results for Gemini 3.1 Pro Preview and 1 for Gemini 3 Flash Preview, but none on a shared benchmark yet — scores are listed side by side without a common baseline.
- Where does this comparison data come from?
- OpenRouter public rankings (usage), provider pricing pages (plans and per-token prices), GitHub and package registries (adoption), public benchmark leaderboards, and Reddit (sentiment). Every stored datum keeps its source URL, and the tape refreshes daily. The Token Tape publishes the data without declaring a winner.
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