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Legacy modelGoogle

Gemini 1.5 Pro benchmarks, pricing and specs

Gemini 1.5 Pro is a Google model released on February 15, 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 2,097,152 tokens of context. It scores 1324 Elo on Arena Text (Arena, measured October 8, 2026).

Context window
2.1M
Arena Text
1324 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
February 15, 2024
Status
Legacy
Access
API only
API model id
Not reported
Context window
2,097,152 tokens
Max output
8,192 tokens
Input
text, image, audio, video
Output
text
Task families
text, multimodal
Declared capabilities
reasoning

Gemini 1.5 Pro 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 Text1324 EloNot rankedOctober 8, 2026Arena · 2026-10-12
GPQA Diamond45.9%Not rankedOctober 12, 2026Epoch AI · 2026-10-12

Strengths, cautions and best uses

Strengths

  • Gemini 1.5 Pro records API access for text, image, audio, and video inputs and a published 2,097,152-token context window

Cautions

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

Best for

  • Historical very-long-context multimodal API comparison

Alternatives to Gemini 1.5 Pro

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 Pro FAQ

What is the context window of Gemini 1.5 Pro?

Gemini 1.5 Pro accepts up to 2,097,152 tokens of context. It can return up to 8,192 tokens in one response. That ranks #1 of 45 current text models by context length.

How does Gemini 1.5 Pro score on independent benchmarks?

Gemini 1.5 Pro scores 1324 Elo on Arena Text (Arena, measured October 8, 2026) and 45.9% on GPQA Diamond (Epoch AI, measured October 12, 2026). These are independent evaluations, not Google's own launch figures.

Is Gemini 1.5 Pro open source or API only?

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

What are the best alternatives to Gemini 1.5 Pro?

The closest current alternatives by price and measured performance are DeepSeek-R1 (74 points higher on Arena Text, 1398 vs 1324), Gemini 2.5 Pro (121 points higher on Arena Text, 1445 vs 1324), GPT-4.1 (91 points higher on Arena Text, 1415 vs 1324) and GPT-4.1 mini (59 points higher on Arena Text, 1383 vs 1324).

Sources

Cite this page

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

Reuse the data: JSON · CSV · or explore every model in the AI model benchmark comparison.

Production evaluation

Deciding whether Gemini 1.5 Pro fits your workload?

Public benchmarks narrow the shortlist. We test the finalists on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.

  • Evaluation cases and acceptance thresholds tied to real work
  • Model routing, fallbacks and cost controls