LLM·Dex

Gemini 2.0 Flash vs Gemini 3 Pro

A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.

Verdict by category
  • PriceGemini 2.0 Flash

    Gemini 2.0 Flash publishes pricing ($0.40 / 1M output tokens) while Gemini 3 Pro does not.

  • Context windowTie

    Both ship a 1.0M-token context window.

  • BenchmarksTie

    No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.

  • ModalitiesGemini 3 Pro

    Gemini 3 Pro supports 4 modalities (text, vision, audio, video) vs 3 for Gemini 2.0 Flash.

  • OpennessTie

    Both are closed-weight, API-only.

It's a genuine coin-flip between Gemini 2.0 Flash and Gemini 3 Pro: 1 category wins each, with the rest tied. Gemini 2.0 Flash publishes pricing ($0.40 / 1M output tokens) while Gemini 3 Pro does not. Both ship a 1.0M-token context window.

No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Gemini 2.0 Flash handles text, vision, audio while Gemini 3 Pro handles text, vision, audio, video, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.

Gemini 3 Pro is the newer of the two, released 10 months after Gemini 2.0 Flash, which usually means a more recent knowledge cutoff and updated safety post-training. Gemini 2.0 Flash is usually picked for rag and long context workloads, while Gemini 3 Pro sees more deployments in long context and rag. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.

Side-by-side specs

SpecGemini 2.0 FlashGemini 3 Pro
ProviderGoogleGoogle
ReleasedFeb 2025Dec 2025
Modalitiestext, vision, audiotext, vision, audio, video
Context window1.0M tokens1.0M tokens
Max output,65.5K tokens
Input · 1M$0.10 / 1M tokensPricing not published
Output · 1M$0.40 / 1M tokensPricing not published
Knowledge cutoff2024-082025-01
Open weightsNoNo
API availableYesYes

Pricing at scale

What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.

  • Light usage, 100k in / 50k out per day$0.900 vs ,
  • Heavy usage, 1M in / 500k out per day$9.00 vs ,
  • RAG workload, 5M in / 200k out per day$17.40 vs ,

Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).

Price calculator

Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.

  • Gemini 2.0 Flash$0.030
  • Gemini 3 ProPricing unavailable

Benchmarks compared

Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.

Gemini 2.0 FlashGemini 3 Pro
  • MMLU,91.8
  • HumanEval,95.4
  • GPQA,91.9
Pick Gemini 2.0 Flash if

Gemini 2.0 Flash fits when…

  • Long context
  • Cheap
Pick Gemini 3 Pro if

Gemini 3 Pro fits when…

  • Massive 1M-token context window
  • State-of-the-art vision and document understanding
  • Strong reasoning at competitive price
  • Multimodal needs covering video.
Don't want either?

Consider Gemini 3 Flash

Google's high-speed, low-cost mid-tier with the same massive context window, popular for high-volume RAG.

Frequently asked

  • Is Gemini 2.0 Flash or Gemini 3 Pro cheaper?
    Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.
  • Which has the larger context window?
    Both Gemini 2.0 Flash and Gemini 3 Pro ship a 1.0M-token context window.
  • Is Gemini 2.0 Flash or Gemini 3 Pro better for coding?
    Both Gemini 2.0 Flash and Gemini 3 Pro are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.
  • Are either of these models open source?
    Neither model ships open weights, both are accessible only via their respective providers' APIs.
  • When were Gemini 2.0 Flash and Gemini 3 Pro released?
    Gemini 2.0 Flash was released by Google on 2025-02-05. Gemini 3 Pro was released by Google on 2025-12-09.
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