Gemini 1.5 Flash vs Nova Pro
Both models are evenly matched across the benchmarks. Gemini 1.5 Flash is 5.3x cheaper per token.
Google · Amazon · Updated for 2026
Which is better?
Gemini 1.5 Flash outperforms in 3 benchmarks (GPQA, MATH, MMMU), while Nova Pro is better at 3 benchmarks (GSM8k, HumanEval, MMLU). Both models are evenly matched across the benchmarks.
On price, Gemini 1.5 Flash is roughly 5.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 1.5 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Gemini 1.5 Flash
- cost matters — it's about 5.3x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
Choose Nova Pro
- you want the most recent training data — it shipped Nov 2024
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 1.5 Flash outperforms in 3 benchmarks (GPQA, MATH, MMMU), while Nova Pro is better at 3 benchmarks (GSM8k, HumanEval, MMLU).
Both models are evenly matched across the benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 1.5 Flash ($0.15/1M tokens) is 5.3x cheaper than Nova Pro ($0.80/1M tokens).
For output processing, Gemini 1.5 Flash ($0.60/1M tokens) is 5.3x cheaper than Nova Pro ($3.20/1M tokens).
In conclusion, Nova Pro is more expensive than Gemini 1.5 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 1.5 Flash accepts 1,048,576 input tokens compared to Nova Pro's 300,000 tokens. Nova Pro can generate longer responses up to 300,000 tokens, while Gemini 1.5 Flash is limited to 8,192 tokens.
Input Capabilities
Supported data types and modalities
Both Gemini 1.5 Flash and Nova Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 1.5 Flash
Nova Pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 1.5 Flash was released on 2024-05-01, while Nova Pro was released on 2024-11-20.
Nova Pro is 7 months newer than Gemini 1.5 Flash.
May 1, 2024
2.3 years ago
Nov 20, 2024
1.8 years ago
6mo newerKnowledge Cutoff
When training data ends
Gemini 1.5 Flash has a documented knowledge cutoff of 2023-11-01, while Nova Pro's cutoff date is not specified.
We can confirm Gemini 1.5 Flash's training data extends to 2023-11-01, but cannot make a direct comparison without Nova Pro's cutoff date.
Nov 2023
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Provider Availability
Gemini 1.5 Flash is available from Google. Nova Pro is available from Bedrock.
Gemini 1.5 Flash
Nova Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 1.5 Flash and Nova Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 1.5 Flash vs Nova Pro.