Model Comparison

Gemini 1.5 Flash 8B vs Gemini 1.0 ProWhich is better in 2026?

Gemini 1.5 Flash 8B significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is 5.9x cheaper per token.

Verdict: Gemini 1.5 Flash 8B vs Gemini 1.0 Pro — which is better?

Gemini 1.5 Flash 8B (by Google) and Gemini 1.0 Pro (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.

Gemini 1.5 Flash 8B outperforms in 5 benchmarks (GPQA, MATH, MathVista, MMMU, WMT23), while Gemini 1.0 Pro is better at 1 benchmark (FLEURS). Gemini 1.5 Flash 8B significantly outperforms across most benchmarks.

On price, Gemini 1.5 Flash 8B is roughly 5.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 1.5 Flash 8B also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Gemini 1.5 Flash 8B if…

  • you want the strongest raw capability — it leads on 5 of 6 shared benchmarks
  • cost matters — it's about 5.9x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Mar 2024

Choose Gemini 1.0 Pro if…

  • you want predictable pricing at $0.50/M input and $1.50/M output

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

Gemini 1.5 Flash 8B outperforms in 5 benchmarks (GPQA, MATH, MathVista, MMMU, WMT23), while Gemini 1.0 Pro is better at 1 benchmark (FLEURS).

Gemini 1.5 Flash 8B significantly outperforms across most benchmarks.

Fri Jun 26 2026 • llm-stats.com

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 7.1x cheaper than Gemini 1.0 Pro ($0.50/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 5.0x cheaper than Gemini 1.0 Pro ($1.50/1M tokens).

In conclusion, Gemini 1.0 Pro 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
Fri Jun 26 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Google
Gemini 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B accepts 1,048,576 input tokens compared to Gemini 1.0 Pro's 32,760 tokens. Both models can generate responses up to 8,192 tokens.

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Google
Gemini 1.0 Pro
Input32,760 tokens
Output8,192 tokens
Fri Jun 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash 8B supports multimodal inputs, whereas Gemini 1.0 Pro does not.

Gemini 1.5 Flash 8B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

Gemini 1.0 Pro

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 1.0 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Gemini 1.0 Pro was released on 2024-02-15.

Gemini 1.5 Flash 8B is 1 month newer than Gemini 1.0 Pro.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.3 years ago

4w newer
Gemini 1.0 Pro

Feb 15, 2024

2.4 years ago

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while Gemini 1.0 Pro has a cutoff of 2024-02-01.

Gemini 1.5 Flash 8B has more recent training data (up to 2024-10-01), making it potentially better informed about events through that date compared to Gemini 1.0 Pro (2024-02-01).

Gemini 1.5 Flash 8B

Oct 2024

8 mo newer
Gemini 1.0 Pro

Feb 2024

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Gemini 1.0 Pro is available from Google.

Gemini 1.5 Flash 8B

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

Gemini 1.0 Pro

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (38.4% vs 27.9%)
Higher MATH score (58.7% vs 32.6%)
Higher MathVista score (54.7% vs 46.6%)
Higher MMMU score (53.7% vs 47.9%)
Higher WMT23 score (72.6% vs 71.7%)
Google
Higher FLEURS score (93.6% vs 86.4%)
GoogleGemini 1.5 Flash 8B
GoogleGemini 1.0 Pro
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Gemini 1.5 Flash 8B and Gemini 1.0 Pro side-by-side, then vote on the output you prefer.

Gemini 1.5 Flash 8B
✓ Preferred
Gemini 1.0 Pro
Open in Playground
AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
Google
Gemini 1.0 Pro

FAQ

Common questions about Gemini 1.5 Flash 8B vs Gemini 1.0 Pro.

Which is better, Gemini 1.5 Flash 8B or Gemini 1.0 Pro?

Gemini 1.5 Flash 8B significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is made by Google and Gemini 1.0 Pro is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 1.5 Flash 8B compare to Gemini 1.0 Pro 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 1.0 Pro scores FLEURS: 93.6%, BIG-Bench: 75.0%, MMLU: 71.8%, WMT23: 71.7%, EgoSchema: 55.7%.

Is Gemini 1.5 Flash 8B cheaper than Gemini 1.0 Pro?

Gemini 1.5 Flash 8B is 7.1x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. Gemini 1.0 Pro costs $0.50/M input and $1.50/M output via google.

What are the context window sizes for Gemini 1.5 Flash 8B and Gemini 1.0 Pro?

Gemini 1.5 Flash 8B supports 1.0M tokens and Gemini 1.0 Pro supports 33K 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 1.0 Pro?

Key differences include context window (1.0M vs 33K), input pricing ($0.07 vs $0.50/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Related comparisons