Model Comparison

Gemini 1.0 Pro vs Gemini 2.0 FlashWhich is better in 2026?

Gemini 2.0 Flash significantly outperforms across most benchmarks. Gemini 2.0 Flash is 4.3x cheaper per token.

Verdict: Gemini 1.0 Pro vs Gemini 2.0 Flash — which is better?

Gemini 1.0 Pro (by Google) and Gemini 2.0 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.

Gemini 1.0 Pro outperforms in 0 benchmarks, while Gemini 2.0 Flash is better at 4 benchmarks (EgoSchema, GPQA, MATH, MMMU). Gemini 2.0 Flash significantly outperforms across most benchmarks.

On price, Gemini 2.0 Flash is roughly 4.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 2.0 Flash 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 2.0 Flash if…

  • you want the strongest raw capability — it leads on 4 of 4 shared benchmarks
  • cost matters — it's about 4.3x 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 Dec 2024
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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Gemini 1.0 Pro outperforms in 0 benchmarks, while Gemini 2.0 Flash is better at 4 benchmarks (EgoSchema, GPQA, MATH, MMMU).

Gemini 2.0 Flash significantly outperforms across most benchmarks.

Mon Jun 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 2.0 Flash costs less

For input processing, Gemini 1.0 Pro ($0.50/1M tokens) is 5.0x more expensive than Gemini 2.0 Flash ($0.10/1M tokens).

For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 3.8x more expensive than Gemini 2.0 Flash ($0.40/1M tokens).

In conclusion, Gemini 1.0 Pro is more expensive than Gemini 2.0 Flash.*

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

Lowest available price from all providers
Mon Jun 15 2026 • llm-stats.com
Google
Gemini 1.0 Pro
Input tokens$0.50
Output tokens$1.50
Best providerGoogle
Google
Gemini 2.0 Flash
Input tokens$0.10
Output tokens$0.40
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 2.0 Flash 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 2.0 Flash
Input1,048,576 tokens
Output8,192 tokens
Mon Jun 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 2.0 Flash supports multimodal inputs, whereas Gemini 1.0 Pro does not.

Gemini 2.0 Flash 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 2.0 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 1.0 Pro

Proprietary

Closed source

Gemini 2.0 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 1.0 Pro was released on 2024-02-15, while Gemini 2.0 Flash was released on 2024-12-01.

Gemini 2.0 Flash is 10 months newer than Gemini 1.0 Pro.

Gemini 1.0 Pro

Feb 15, 2024

2.3 years ago

Gemini 2.0 Flash

Dec 1, 2024

1.5 years ago

9mo newer

Knowledge Cutoff

When training data ends

Gemini 1.0 Pro has a knowledge cutoff of 2024-02-01, while Gemini 2.0 Flash has a cutoff of 2024-08-01.

Gemini 2.0 Flash has more recent training data (up to 2024-08-01), 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 2.0 Flash

Aug 2024

6 mo newer

Provider Availability

Gemini 1.0 Pro is available from Google. Gemini 2.0 Flash is available from Google.

Gemini 1.0 Pro

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

Gemini 2.0 Flash

google logo
Google
Input Price:Input: $0.10/1MOutput Price:Output: $0.40/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Google

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

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher EgoSchema score (71.5% vs 55.7%)
Higher GPQA score (62.1% vs 27.9%)
Higher MATH score (89.7% vs 32.6%)
Higher MMMU score (70.7% vs 47.9%)
GoogleGemini 1.0 Pro
GoogleGemini 2.0 Flash
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.0 Pro
Google
Gemini 2.0 Flash

FAQ

Common questions about Gemini 1.0 Pro vs Gemini 2.0 Flash.

Which is better, Gemini 1.0 Pro or Gemini 2.0 Flash?

Gemini 2.0 Flash significantly outperforms across most benchmarks. Gemini 1.0 Pro is made by Google and Gemini 2.0 Flash 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 2.0 Flash in benchmarks?

Gemini 1.0 Pro scores FLEURS: 93.6%, BIG-Bench: 75.0%, MMLU: 71.8%, WMT23: 71.7%, EgoSchema: 55.7%. Gemini 2.0 Flash scores Natural2Code: 92.9%, MATH: 89.7%, FACTS Grounding: 83.6%, MMLU-Pro: 76.4%, EgoSchema: 71.5%.

Is Gemini 1.0 Pro cheaper than Gemini 2.0 Flash?

Gemini 2.0 Flash is 5.0x cheaper for input tokens. Gemini 1.0 Pro costs $0.50/M input and $1.50/M output via google. Gemini 2.0 Flash costs $0.10/M input and $0.40/M output via google.

What are the context window sizes for Gemini 1.0 Pro and Gemini 2.0 Flash?

Gemini 1.0 Pro supports 33K tokens and Gemini 2.0 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 1.0 Pro and Gemini 2.0 Flash?

Key differences include context window (33K vs 1.0M), input pricing ($0.50 vs $0.10/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

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