Model Comparison

Gemini 1.5 Flash 8B vs Gemini 3.6 FlashWhich is better in 2026?

Comparing Gemini 1.5 Flash 8B and Gemini 3.6 Flash across benchmarks, pricing, and capabilities.

Verdict: Gemini 1.5 Flash 8B vs Gemini 3.6 Flash — which is better?

Gemini 1.5 Flash 8B (by Google) and Gemini 3.6 Flash (by Google) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Gemini 1.5 Flash 8B is roughly 23.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Choose Gemini 1.5 Flash 8B if…

  • cost matters — it's about 23.5x cheaper per token

Choose Gemini 3.6 Flash if…

  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 1.5 Flash 8B and Gemini 3.6 Flashdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 1.5 Flash 8B costs less

For input processing, Gemini 1.5 Flash 8B ($0.07/1M tokens) is 21.4x cheaper than Gemini 3.6 Flash ($1.50/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 25.0x cheaper than Gemini 3.6 Flash ($7.50/1M tokens).

In conclusion, Gemini 3.6 Flash is more expensive than Gemini 1.5 Flash 8B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Jul 23 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Google
Gemini 3.6 Flash
Input tokens$1.50
Output tokens$7.50
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Gemini 3.6 Flash can generate longer responses up to 65,536 tokens, while Gemini 1.5 Flash 8B is limited to 8,192 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Google
Gemini 3.6 Flash
Input1,048,576 tokens
Output65,536 tokens
Thu Jul 23 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 1.5 Flash 8B and Gemini 3.6 Flash support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

Gemini 3.6 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 1.5 Flash 8B

Proprietary

Closed source

Gemini 3.6 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Gemini 3.6 Flash was released on 2026-07-21.

Gemini 3.6 Flash is 29 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.4 years ago

Gemini 3.6 Flash

Jul 21, 2026

1 days ago

2.4yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while Gemini 3.6 Flash has a cutoff of 2026-03-31.

Gemini 3.6 Flash has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Gemini 1.5 Flash 8B (2024-10-01).

Gemini 1.5 Flash 8B

Oct 2024

Gemini 3.6 Flash

Mar 2026

1.4 yr newer

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Gemini 3.6 Flash is available from Google.

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M

Gemini 3.6 Flash

google logo
Google
Input Price:Input: $1.50/1MOutput Price:Output: $7.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Less expensive input tokens
Less expensive output tokens
Google

No standout differentiators in the data we have for this pair.

GoogleGemini 1.5 Flash 8B
GoogleGemini 3.6 Flash
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Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 1.5 Flash 8B and Gemini 3.6 Flash side-by-side, then vote on the output you prefer.

Gemini 1.5 Flash 8B
✓ Preferred
Gemini 3.6 Flash
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
Google
Gemini 3.6 Flash

FAQ

Common questions about Gemini 1.5 Flash 8B vs Gemini 3.6 Flash.

Which is better, Gemini 1.5 Flash 8B or Gemini 3.6 Flash?

Gemini 1.5 Flash 8B (Google) and Gemini 3.6 Flash (Google) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Gemini 1.5 Flash 8B compare to Gemini 3.6 Flash in benchmarks?

Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. Gemini 3.6 Flash scores CharXiv-R: 89.4%, OSWorld-Verified: 83.0%, Terminal-Bench 2.1: 78.0%, MLE-Bench: 63.9%, SWE-Bench Pro: 58.7%.

Is Gemini 1.5 Flash 8B cheaper than Gemini 3.6 Flash?

Gemini 1.5 Flash 8B is 21.4x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. Gemini 3.6 Flash costs $1.50/M input and $7.50/M output via google.

What are the context window sizes for Gemini 1.5 Flash 8B and Gemini 3.6 Flash?

Gemini 1.5 Flash 8B supports 1.0M tokens and Gemini 3.6 Flash supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 1.5 Flash 8B and Gemini 3.6 Flash?

Key differences include input pricing ($0.07 vs $1.50/M). See the full comparison above for benchmark-by-benchmark results.

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