Gemini 3.1 Pro vs Gemini Embedding 2

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Gemini 3.1 Pro

Google

Gemini Embedding 2

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Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Gemini 3.1 Pro

Per Request:$0.008000

Daily:$0.80

Monthly:$24.00

Yearly:$292.00

Gemini Embedding 2

Per Request:$0.000300

Daily:$0.03

Monthly:$0.90

Yearly:$10.95

Cost Differences

$0.007700

Per Request

$0.77

Daily

$23.10

Monthly

$281.05

Yearly

Gemini Embedding 2 costs less than Gemini 3.1 Pro

Feature Comparison

Feature	Gemini 3.1 Pro	Gemini Embedding 2
Provider	Google	Google
Input Price	$2.00/1M tokens	$0.20/1M tokens
Output Price	$12.00/1M tokens	$0.20/1M tokens
Context Window	1,000,000 tokens	8,192 tokens
Max Output	65,536 tokens	3,072 tokens
Category	flagship	embedding
Capabilities	textvisionaudiovideocodereasoning	textvisionaudiovideoembeddings
Release Date	2/19/2026	3/10/2026

Gemini 3.1 Pro vs Gemini Embedding 2: Which Should You Choose?

Choosing between Gemini 3.1 Pro and Gemini Embedding 2 depends on your priorities: cost efficiency, context length, or raw capability. Gemini Embedding 2 is the more affordable option at $0.20/1M input tokens — 90% cheaper than Gemini 3.1 Pro. Meanwhile, Gemini 3.1 Pro offers a significantly larger context window at 1,000,000 tokens vs 8,192 for Gemini Embedding 2.

These models target different tiers: Gemini 3.1 Pro is a flagship model while Gemini Embedding 2 is embedding. This means they're optimized for different workloads. Gemini 3.1 Pro is built for complex tasks that require deeper reasoning, while Gemini Embedding 2 offers better value for routine operations.

Output costs matter too. Gemini 3.1 Pro charges $12.00/1M output tokens vs $0.20 for Gemini Embedding 2. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Gemini Embedding 2 has the edge here at $0.20/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Gemini 3.1 Pro when:

• You need a larger context window (1,000,000 tokens)
• You need more capabilities (code, reasoning)
• You need longer outputs (up to 65,536 tokens)
• You're already using Google's API ecosystem

Choose Gemini Embedding 2 when:

• Budget is a primary concern
• You're already using Google's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Gemini 3.1 Pro (Google)

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Gemini Embedding 2 (Google)

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Frequently Asked Questions

Which is cheaper, Gemini 3.1 Pro or Gemini Embedding 2?▼

Gemini Embedding 2 is cheaper for input tokens at $0.20 per million tokens vs $2.00 for Gemini 3.1 Pro — that's 90% savings on input costs.

What is the context window difference between Gemini 3.1 Pro and Gemini Embedding 2?▼

Gemini 3.1 Pro supports 1,000,000 tokens while Gemini Embedding 2 supports 8,192 tokens — a difference of 991,808 tokens in favor of Gemini 3.1 Pro.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, Gemini Embedding 2 is the lower-cost option, while Gemini 3.1 Pro offers a larger context window (1,000,000 vs 8,192 tokens). Choose Gemini Embedding 2 for budget sensitivity or Gemini 3.1 Pro for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, Gemini 3.1 Pro costs about $24.00/month and Gemini Embedding 2 costs about $0.90/month. Overall, Gemini Embedding 2 has lower combined input + output rates ($0.20 in, $0.20 out) vs Gemini 3.1 Pro.