Gemini 3.1 Pro PreviewvsFLUX.2 Dev

Gemini 3.1 Pro Preview leads the overall Podium Score by 0.4 points (90.8 vs 90.4).Category wins: Gemini 3.1 Pro Preview 6 — 1 FLUX.2 Dev.FLUX.2 Dev is the cheaper pick ($0.03/M vs $5/M per 1M output tokens). Gemini 3.1 Pro Preview is faster (105 t/s vs 28 t/s).

Open in Compare Tool →View Gemini 3.1 ProView FLUX.2 Dev
Gemini 3.1 Pro PreviewDrag slider or hover to compareFLUX.2 Dev
FLUX.2 Dev
90.4
Coding: 0.0 · Speed: 28 t/s
Output Price: $0.03/M
Gemini 3.1 Pro Preview
90.8
Coding: 85.5 · Speed: 105 t/s
Output Price: $5/M
Quick VerdictAggregated 2026 Benchmark Analysis

Gemini 3.1 Pro Preview is rated higher overall with a Podium Score of 90.8 (vs 90.4 for FLUX.2 Dev). In head-to-head domain evaluations, Gemini 3.1 Pro Preview outperforms in 6 of 7 benchmark categories.

Coding & Engineering
Gemini 3.1 Pro Preview (85.5)
Inference Speed
Gemini 3.1 Pro Preview (105 t/s)
Cost Efficiency
FLUX.2 Dev ($0.03/M)
API Price / 1M (in · out)
Gemini 3.1 Pro $1.25/M · $5/M — FLUX.2 Dev $0.03/M · $0.03/M

Choose Gemini 3.1 Pro Preview for long documents and large codebases, and FLUX.2 Dev for vision and multimodal apps.

MetricGemini 3.1 Pro PreviewFLUX.2 Dev
Podium Score90.8 ▲90.4
Arena Elo1465 ▲1440
Intelligence Index91.0 ▲90.0
Coding85.5 ▲0.0
Math89.0 ▲0.0
Reasoning91.0 ▲42.0
Agentic82.0 ▲28.0
Knowledge88.0 ▲60.0
Multimodal94.098.5 ▲
Long-context96.0 ▲55.0
Output speed105 t/s ▲28 t/s
Output price$5/M$0.03/M ▲
Context window1000K ▲128K
Scores aggregated from five independent leaderboards. See Methodology. More head-to-heads: Gemini 3.1 Pro vs Claude Mythos · Gemini 3.1 Pro vs Claude 5.5 Sonnet · Gemini 3.1 Pro vs Kimi K3.1 Pro · Gemini 3.1 Pro vs Eleven Multilingual v3
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