Gemini 3.1 Flash Image (Nano Banana 2) is cheaper: $0.034 vs $0.134 per image at 1024×1024 on each model's cheapest path — 3.9× less. For 1,000 images (1024×1024): $34.00 vs $134. Stamped 2026-09-07. Gemini 3 Pro Image (Nano Banana Pro)'s premium may buy quality — this index measures cost only.
Gemini 3 Pro Image (Nano Banana Pro) vs Gemini 3.1 Flash Image (Nano Banana 2): price
Gemini 3 Pro Image (Nano Banana Pro)
$0.134–$0.15 per image at 1024×1024
Cheapest: $0.134 via Google (Gemini API / Vertex) (estimated)
Gemini 3.1 Flash Image (Nano Banana 2)
$0.034–$0.067 per image at 1024×1024
Cheapest: $0.034 via Google (Gemini API / Vertex) (Batch API) (verified)
How much does Gemini 3 Pro Image (Nano Banana Pro) cost?
| Provider | Price /image (1024²) | Provider's own unit | vs official | Status | Source |
|---|---|---|---|---|---|
| Google (Gemini API / Vertex)cheapest | $0.134 | $120.00 per 1M output image tokens ≈ $0.134 per 1K/2K imageUSD per 1M tokens | — | Estimated2026-09-07 | source |
| fal.ai | $0.15 | $0.15 per imageUSD per image | +11.94% | Derived2026-09-07 | source |
| RunPod Hub | $0.14 | $0.14 per requestUSD per request | +4.48% | Derived2026-09-07 | source |
How these numbers were computed
- Google (Gemini API / Vertex): Launch-research list rate (output $120/1M image tokens, 1,120 tokens per 1K image); this model's section was not in the 2026-09-07 live read — pending scrape.
- fal.ai: fal.ai per-image rate captured in the FairStack operational cost audit, 2026-03-23 (price-audit-full.json); endpoint gemini-3-pro-image.
- RunPod Hub: RunPod Hub flat per-request rate captured in the FairStack operational cost audit, 2026-03-23 (price-audit-full.json); endpoint nano-banana-pro-edit-runpod.
How much does Gemini 3.1 Flash Image (Nano Banana 2) cost?
| Provider | Price /image (1024²) | Provider's own unit | vs official | Status | Source |
|---|---|---|---|---|---|
| Google (Gemini API / Vertex) | $0.067 | $60.00 per 1M output image tokens ≈ $0.067 per 1K imageUSD per 1M tokens | — | Verified2026-09-07 | source |
| Google (Gemini API / Vertex) · Batch APIcheapest | $0.034 | $30.00 per 1M output image tokens ≈ $0.034 per 1K imageUSD per 1M tokens | — | Verified2026-09-07 | source |
Frequently asked
Is Gemini 3 Pro Image (Nano Banana Pro) cheaper than Gemini 3.1 Flash Image (Nano Banana 2)?
Gemini 3.1 Flash Image (Nano Banana 2) is cheaper: $0.034 vs $0.134 per image at 1024×1024 on each model's cheapest path — 3.9× less. For 1,000 images (1024×1024): $34.00 vs $134. Stamped 2026-09-07. Gemini 3 Pro Image (Nano Banana Pro)'s premium may buy quality — this index measures cost only.
What does 1,000 images (1024×1024) cost on each?
Gemini 3 Pro Image (Nano Banana Pro): $134 (cheapest path). Gemini 3.1 Flash Image (Nano Banana 2): $34.00. Both computed from the normalized canonical rate; real invoices vary with resolution, minimum charges, and tiers.
Which is better quality?
This index measures cost, not quality. For quality benchmarks, see Artificial Analysis — a image model that costs more is not automatically better, and vice versa.
Prices normalized to per image at 1024×1024; per-clip, credit, and tier billing converted per themethodology. Quality comparison is out of scope — seeArtificial Analysis.