Gemini 2.5 Flash Image
Image Available Full comparison ↗ google/gemini-2-5-flash-image · by Google DeepMind
· Diffusion transformer (DiT)
Pricing — 1 offering(s)
About this offering: Marketed as Nano Banana: the original model in Google's Gemini-native image generation and editing family, later joined by Nano Banana 2 (Gemini 3.1 Flash Image) and Nano Banana Pro (Gemini 3 Pro Image). It's separate from Google's Imagen text-to-image line. Google's docs call it the legacy model of the series and recommend Nano Banana 2 Lite for better quality, speed and price. It has a single 1024×1024 output size. Prices shown are Standard (interactive) rates; Batch and Flex cost $0.0195 per image and Priority $0.0702. Google's sources give two shutdown dates: the deprecations page lists 2027-03-15 (replacement: Nano Banana 2 Lite, Gemini 3.1 Flash Lite Image), while a warning on the pricing page gives 2026-10-02.
Standard · up to 1024x1024 output
- $0.039 / image
Current
2026-07-23 → present
Underlying billing is token-based ($30/1M output tokens; output images up to 1024x1024px consume 1290…
Underlying billing is token-based ($30/1M output tokens; output images up to 1024x1024px consume 1290 tokens). Google publishes this as its own per-image equivalent. effective_from is the date this entry was sourced, not a confirmed price-change date. Input (text/image) is $0.30/1M tokens, not itemized as a separate tier here. Cross-checked against Krea's third-party listing ($0.0429/ image) — close but not identical to Google's own $0.039 figure; Google's own pricing page is treated as authoritative.
Showing the active price and any recorded history. Full pricing history is available via the paid API — see API docs.
See how Gemini 2.5 Flash Image fits into a cost-aware routing setup
See how →About Gemini 2.5 Flash Image
Gemini 2.5 Flash Image was the first entry in what Google now brands the "Nano Banana" line of Gemini-native image generation. It shares the natively-multimodal architecture of the later Gemini 3.1 Flash Image and Gemini 3 Pro Image — text, image, audio and video in one token space and one transformer rather than a separate image pipeline, with diffusion-style denoising inside it. Google discloses no training data or methodology, and the `diffusion-transformer` classification here follows secondary technical reporting rather than a Google architecture paper. It is distinct from Google's separate Imagen line.
The "Flash" tier is the speed-optimised member of the family — Google's own docs describe it as built for "high-velocity visual creation" and "high-volume generation, conversational image editing, and low-latency creative workflows". Its main hard limit is resolution: output is capped at 1024x1024, with none of the 2K/4K tiers the later Gemini 3.1 Flash Image and Gemini 3 Pro Image models added.
Lifecycle is the reason to know this entry. Google's own documentation now calls Gemini 2.5 Flash Image "the legacy pioneer of the Nano Banana series" and actively steers new integrations to Nano Banana 2 / Nano Banana 2 Lite (the Gemini 3.1 Flash Image family) for better quality, speed and pricing. Route here only for integrations already pinned to `gemini-2.5-flash-image`, or when its lower Priority-tier cost floor specifically matters. There is no independently published GenEval or T2I-CompBench score for it, so Modelglass leaves most capability dimensions unrated and records the entry's confidence as low.
Capability profile
How Gemini 2.5 Flash Image rates across core capability dimensions, with the task-level evidence behind each rating.
Google's current API docs for this model don't detail text-rendering specifics — that framing is used for the newer generations' own model pages, not repeated here for the legacy entry.
The 'Flash' tier is explicitly the speed-optimized member of the family; Google's own docs describe it as optimized for 'high-velocity visual creation' and 'high-volume generation, conversational image editing, and low-latency creative workflows.'
Output capped at 1024x1024px per Google's own pricing docs — no 2K/4K tiers like the Gemini 3.1 Flash Image / Gemini 3 Pro Image successors.
Ratings are estimated — limited independent data is available for this model.
Benchmarks
Operator guidance
Google steers new integrations to Nano Banana 2.1 or Nano Banana 2 Lite; its deprecations table names Nano Banana 2 Lite as this model's replacement, with a shutdown date of 2027-03-15. Route here only for integrations already pinned to gemini-2.5-flash-image, or when its lower Priority-tier cost floor specifically matters.
Use cases
- High-volume, low-latency generation and conversational image editing where cost matters more than peak quality
- Legacy integrations already built against gemini-2.5-flash-image — Google's own docs frame this as still-stable but no longer the recommended entry point
Limitations
- No independently published GenEval / T2I-CompBench score found — this entry's capability ratings lean 'unknown' rather than vendor-repeating marketing claims not present in this model's own current docs
- Single 1024x1024 output resolution only — no higher-resolution tier
- Google's own documentation actively recommends migrating away from this model, calling it 'the legacy pioneer of the Nano Banana series'