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Van Data Team
Legacy modelGoogle

Gemini 1.5 Flash benchmarks, pricing and specs

Gemini 1.5 Flash is a Google model released on May 14, 2024 that takes text, image, audio and video input and produces text. It is now listed as a legacy model. Its price is not published and accepts up to 1,048,576 tokens of context. It scores 1287 Elo on Arena Text (Arena, measured October 8, 2026).

Context window
1.05M
Arena Text
1287 Elo

Data verified October 12, 2026 · Dataset 2026-10-12

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Key facts

Provider
Google
Model family
Gemini 1.5
Release date
May 14, 2024
Status
Legacy
Access
API only
API model id
Not reported
Context window
1,048,576 tokens
Max output
8,192 tokens
Input
text, image, audio, video
Output
text
Task families
text, multimodal
Declared capabilities
reasoning

Gemini 1.5 Flash pricing

UnitPrice (USD)TierAppliesSource
1M input tokensNot reportedstandardCurrent
1M output tokensNot reportedstandardCurrent
1M input tokensNot reportedcachedCurrent

Independent benchmark results

Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. Google's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.

BenchmarkScoreRankMeasuredSource
Arena Text1287 EloNot rankedOctober 8, 2026Arena · 2026-10-12
GPQA Diamond40.4%Not rankedOctober 12, 2026Epoch AI · 2026-10-12

Strengths, cautions and best uses

Strengths

  • Gemini 1.5 Flash records API access for text, image, audio, and video inputs and a published 1,048,576-token context window

Cautions

  • This record is marked legacy; confirm current availability and migration requirements before adoption

Best for

  • Historical multimodal API comparison with long context

Alternatives to Gemini 1.5 Flash

The closest current textmodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.

Other Gemini 1.5 models

Gemini 1.5 Flash FAQ

What is the context window of Gemini 1.5 Flash?

Gemini 1.5 Flash accepts up to 1,048,576 tokens of context. It can return up to 8,192 tokens in one response. That ranks #10 of 45 current text models by context length.

How does Gemini 1.5 Flash score on independent benchmarks?

Gemini 1.5 Flash scores 1287 Elo on Arena Text (Arena, measured October 8, 2026) and 40.4% on GPQA Diamond (Epoch AI, measured October 12, 2026). These are independent evaluations, not Google's own launch figures.

Is Gemini 1.5 Flash open source or API only?

Gemini 1.5 Flash is available through Google's API only; its weights are not published.

What are the best alternatives to Gemini 1.5 Flash?

The closest current alternatives by price and measured performance are DeepSeek-R1 (111 points higher on Arena Text, 1398 vs 1287), Gemini 2.5 Pro (158 points higher on Arena Text, 1445 vs 1287), GPT-4.1 (128 points higher on Arena Text, 1415 vs 1287) and GPT-4.1 mini (96 points higher on Arena Text, 1383 vs 1287).

Sources

Cite this page

Van Data Team. "Gemini 1.5 Flash Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/gemini-1-5-flash

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Production evaluation

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