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Model comparison

Gemini 2.5 Flash vs Gemini 2.0 Flash

Short answer

Gemini 2.5 Flash scores higher on 2 of the 2 benchmarks both models report; Gemini 2.0 Flash is cheaper on input tokens ($0.1 vs $0.3 per 1M, 3×); Gemini 2.0 Flash has the larger context window (1.048576M vs 1M).

Specs and pricing side by side

SpecGemini 2.5 FlashGemini 2.0 Flash
MakerGoogleGooglesame
Released2025-04-172025-02-05
Context window1M1,048,576 tokens (1M)
Max output64K8,192 tokens
Input price$0.30 / 1M tokens (text / image / video); $1.00 / 1M tokens (audio)$0.10 / 1M tokens (text, image, or video); $0.70 / 1M tokens for audio
Output price$2.50 / 1M tokens (includes thinking tokens)$0.40 / 1M tokens
Parametersnot publishedUndisclosed — Google never published the parameter count
LicenseProprietaryProprietary (Google) — closed source, served only via API
WeightsAPI onlyAPI onlysame
ModalitiesText, Vision, Audio, Video, PDFtext input, image input, audio input, video input, text output
Knowledge cutoffJanuary 2025August 2024

Benchmarks both models report

BenchmarkGemini 2.5 FlashGemini 2.0 Flash
Global MMLU88.4%83.4%
MMMU79.7%70.7%

Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.

Which one should you pick?

Pick Gemini 2.5 Flash if…

  • You care about Global MMLU, MMMU (it scores higher on 2 shared benchmarks).
  • You need Text / Vision / Audio / Video / PDF input, which Gemini 2.0 Flash lacks.
  • Your use case is: high-volume chat, summarization, and extraction where cost and latency matter.

Pick Gemini 2.0 Flash if…

  • Cost matters: input tokens cost 3× less ($0.1 vs $0.3 per 1M).
  • You need the longer context (1.048576M vs 1M).
  • You need text input / image input / audio input / video input / text output input, which Gemini 2.5 Flash lacks.
  • Your use case is: high-volume, cost-sensitive text generation, summarization, and classification.

FAQ

Which is better, Gemini 2.5 Flash or Gemini 2.0 Flash?

Gemini 2.5 Flash scores higher on 2 of the 2 benchmarks both models report; Gemini 2.0 Flash is cheaper on input tokens ($0.1 vs $0.3 per 1M, 3×); Gemini 2.0 Flash has the larger context window (1.048576M vs 1M). The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.

How much cheaper is Gemini 2.0 Flash?

Gemini 2.5 Flash: $0.30 / 1M tokens (text / image / video); $1.00 / 1M tokens (audio) input, $2.50 / 1M tokens (includes thinking tokens) output. Gemini 2.0 Flash: $0.10 / 1M tokens (text, image, or video); $0.70 / 1M tokens for audio input, $0.40 / 1M tokens output (list API prices as published by each maker).

What are the context windows of Gemini 2.5 Flash and Gemini 2.0 Flash?

Gemini 2.5 Flash offers 1M with up to 64K output; Gemini 2.0 Flash offers 1,048,576 tokens (1M) with up to 8,192 tokens output.

Is Gemini 2.5 Flash newer than Gemini 2.0 Flash?

Gemini 2.5 Flash was released 2025-04-17; Gemini 2.0 Flash was released 2025-02-05.

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