Model Comparison

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

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

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

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

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

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

Gemini 1.5 Flash 8B significantly outperforms across most benchmarks.

Sun Jul 05 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 1.0 Pro ($0.50/1M tokens) is 7.1x more expensive than Gemini 1.5 Flash 8B ($0.07/1M tokens).

For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 5.0x more expensive than Gemini 1.5 Flash 8B ($0.30/1M 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
Sun Jul 05 2026 • llm-stats.com
Google
Gemini 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
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 1.0 Pro
Input32,760 tokens
Output8,192 tokens
Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
Sun Jul 05 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 1.0 Pro

Text
Images
Audio
Video

Gemini 1.5 Flash 8B

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 1.0 Pro

Proprietary

Closed source

Gemini 1.5 Flash 8B

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

Gemini 1.0 Pro

Feb 15, 2024

2.4 years ago

Gemini 1.5 Flash 8B

Mar 15, 2024

2.3 years ago

4w newer

Knowledge Cutoff

When training data ends

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

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 1.0 Pro

Feb 2024

Gemini 1.5 Flash 8B

Oct 2024

8 mo newer

Provider Availability

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

Gemini 1.0 Pro

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M

Gemini 1.5 Flash 8B

google logo
Google
Input Price:Input: $0.07/1MOutput Price:Output: $0.30/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google
Higher FLEURS score (93.6% vs 86.4%)
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%)
GoogleGemini 1.0 Pro
GoogleGemini 1.5 Flash 8B
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

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

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

FAQ

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

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

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

How does Gemini 1.0 Pro compare to Gemini 1.5 Flash 8B in benchmarks?

Gemini 1.0 Pro scores FLEURS: 93.6%, BIG-Bench: 75.0%, MMLU: 71.8%, WMT23: 71.7%, EgoSchema: 55.7%. Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%.

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

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

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

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

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

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