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Codex Mini vs Gemini Embedding 2

Compare OpenAI and Google AI models

OpenAI
Codex Mini
vs
Google
Gemini Embedding 2

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

Codex Mini

Per Request:$0.004500
Daily:$0.45
Monthly:$13.50
Yearly:$164.25

Gemini Embedding 2

Per Request:$0.000300
Daily:$0.03
Monthly:$0.90
Yearly:$10.95

Cost Differences

$0.004200
Per Request
$0.42
Daily
$12.60
Monthly
$153.30
Yearly

Gemini Embedding 2 costs less than Codex Mini

Feature Comparison

FeatureCodex MiniGemini Embedding 2
ProviderOpenAIGoogle
Input Price$1.50/1M tokens$0.20/1M tokens
Output Price$6.00/1M tokens$0.20/1M tokens
Context Window200,000 tokens8,192 tokens
Max Output32,768 tokens3,072 tokens
Categoryefficientembedding
Capabilities
textcodereasoning
textvisionaudiovideoembeddings
Release Date2/2/20263/10/2026

Codex Mini vs Gemini Embedding 2: Which Should You Choose?

Choosing between Codex Mini 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 tokens87% cheaper than Codex Mini. Meanwhile, Codex Mini offers a significantly larger context window at 200,000 tokens vs 8,192 for Gemini Embedding 2.

These models come from different providers — OpenAI and Google — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with OpenAI, switching to Googleinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Codex Mini is a efficient model while Gemini Embedding 2 is embedding. This means they're optimized for different workloads. Gemini Embedding 2 targets more demanding workloads, while Codex Mini provides a cost-effective option for everyday tasks.

Output costs matter too. Codex Mini charges $6.00/1M 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: Gemini Embedding 2 supports vision (image inputs) while Codex Mini is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Codex Mini when:

  • • You need a larger context window (200,000 tokens)
  • • You need longer outputs (up to 32,768 tokens)
  • • You're already using OpenAI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose Gemini Embedding 2 when:

  • • Budget is a primary concern
  • • You need more capabilities (vision, audio, video, embeddings)
  • • You're already using Google's API ecosystem

Try Different Scenarios

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

Codex Mini (OpenAI)

Gemini Embedding 2 (Google)

Start using Codex Mini today

Sign Up for OpenAI

Start using Gemini Embedding 2 today

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Frequently Asked Questions

Which is cheaper, Codex Mini or Gemini Embedding 2?
Gemini Embedding 2 is cheaper for input tokens at $0.20 per million tokens vs $1.50 for Codex Mini — that's 87% savings on input costs.
What is the context window difference between Codex Mini and Gemini Embedding 2?
Codex Mini supports 200,000 tokens while Gemini Embedding 2 supports 8,192 tokens — a difference of 191,808 tokens in favor of Codex Mini.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Gemini Embedding 2 is the lower-cost option, while Codex Mini offers a larger context window (200,000 vs 8,192 tokens). Choose Gemini Embedding 2 for budget sensitivity or Codex Mini 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, Codex Mini costs about $13.50/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 Codex Mini.

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