Model Comparison

Gemini 1.5 Flash 8B vs Llama 3.1 405B Instruct

Llama 3.1 405B Instruct significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is 7.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while Llama 3.1 405B Instruct is better at 3 benchmarks (GPQA, MATH, MMLU-Pro).

Llama 3.1 405B Instruct significantly outperforms across most benchmarks.

Sun Apr 12 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 12.7x cheaper than Llama 3.1 405B Instruct ($0.89/1M tokens).

For output processing, Gemini 1.5 Flash 8B ($0.30/1M tokens) is 3.0x cheaper than Llama 3.1 405B Instruct ($0.89/1M tokens).

In conclusion, Llama 3.1 405B Instruct 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 Apr 12 2026 • llm-stats.com
Google
Gemini 1.5 Flash 8B
Input tokens$0.07
Output tokens$0.30
Best providerGoogle
Meta
Llama 3.1 405B Instruct
Input tokens$0.89
Output tokens$0.89
Best providerLambda
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Model Size

Parameter count comparison

397.0B diff

Llama 3.1 405B Instruct has 397.0B more parameters than Gemini 1.5 Flash 8B, making it 4962.5% larger.

Google
Gemini 1.5 Flash 8B
8.0Bparameters
Meta
Llama 3.1 405B Instruct
405.0Bparameters
8.0B
Gemini 1.5 Flash 8B
405.0B
Llama 3.1 405B Instruct

Context Window

Maximum input and output token capacity

Gemini 1.5 Flash 8B accepts 1,048,576 input tokens compared to Llama 3.1 405B Instruct's 128,000 tokens. Llama 3.1 405B Instruct can generate longer responses up to 128,000 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
Meta
Llama 3.1 405B Instruct
Input128,000 tokens
Output128,000 tokens
Sun Apr 12 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash 8B supports multimodal inputs, whereas Llama 3.1 405B Instruct 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

Llama 3.1 405B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Flash 8B is licensed under a proprietary license, while Llama 3.1 405B Instruct uses Llama 3.1 Community License.

License differences may affect how you can use these models in commercial or open-source projects.

Gemini 1.5 Flash 8B

Proprietary

Closed source

Llama 3.1 405B Instruct

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Llama 3.1 405B Instruct was released on 2024-07-23.

Llama 3.1 405B Instruct is 4 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.1 years ago

Llama 3.1 405B Instruct

Jul 23, 2024

1.7 years ago

4mo newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a documented knowledge cutoff of 2024-10-01, while Llama 3.1 405B Instruct's cutoff date is not specified.

We can confirm Gemini 1.5 Flash 8B's training data extends to 2024-10-01, but cannot make a direct comparison without Llama 3.1 405B Instruct's cutoff date.

Gemini 1.5 Flash 8B

Oct 2024

Llama 3.1 405B Instruct

—

Provider Availability

Gemini 1.5 Flash 8B is available from Google. Llama 3.1 405B Instruct is available from Lambda, DeepInfra, Fireworks, Bedrock, Together, Hyperbolic, Google, Replicate.

Gemini 1.5 Flash 8B

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

Llama 3.1 405B Instruct

lambda logo
Lambda
Input Price:Input: $0.89/1MOutput Price:Output: $0.89/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.79/1MOutput Price:Output: $1.79/1M
fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $3.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $3.00/1M
together logo
Together
Input Price:Input: $3.50/1MOutput Price:Output: $3.50/1M
hyperbolic logo
Hyperbolic
Input Price:Input: $4.00/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $5.00/1MOutput Price:Output: $16.00/1M
replicate logo
Replicate
Input Price:Input: $9.50/1MOutput Price:Output: $9.50/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Meta
Has open weights
Higher GPQA score (50.7% vs 38.4%)
Higher MATH score (73.8% vs 58.7%)
Higher MMLU-Pro score (73.3% vs 58.7%)
GoogleGemini 1.5 Flash 8B
MetaLlama 3.1 405B Instruct
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 1.5 Flash 8B
Meta
Llama 3.1 405B Instruct

FAQ

Common questions about Gemini 1.5 Flash 8B vs Llama 3.1 405B Instruct

Llama 3.1 405B Instruct significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is made by Google and Llama 3.1 405B Instruct is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. Llama 3.1 405B Instruct scores ARC-C: 96.9%, GSM8k: 96.8%, API-Bank: 92.0%, Multilingual MGSM (CoT): 91.6%, HumanEval: 89.0%.
Gemini 1.5 Flash 8B is 12.7x cheaper for input tokens. Gemini 1.5 Flash 8B costs $0.07/M input and $0.30/M output via google. Llama 3.1 405B Instruct costs $0.89/M input and $0.89/M output via lambda.
Gemini 1.5 Flash 8B supports 1.0M tokens and Llama 3.1 405B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 128K), input pricing ($0.07 vs $0.89/M), multimodal support (yes vs no), licensing (Proprietary vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.
Gemini 1.5 Flash 8B is developed by Google and Llama 3.1 405B Instruct is developed by Meta.