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o3-mini Cost Calculator - OpenRouter

Calculate the cost of using o3-mini from OpenRouter for your AI applications

Pricing data last updated:

o3-mini Cost Calculator

Mode: Chat

Max: 200,000 tokens

Max: 100,000 tokens

Cost Breakdown

Input Cost$0.001100
Output Cost$0.004400
Total Cost$0.005500

Pricing Details

Input: $0.00000110 per token
Output: $0.00000440 per token
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Model Specifications

Capabilities

✓Function Calling
✓Reasoning
✓Web Search

Limits

Max Input Tokens200,000
Max Output Tokens100,000
Max Tokens100,000

About o3-mini

o3-mini is a chat model from OpenRouter, one of 480 chat models they offer. It is priced at $1.10 per 1M input tokens and $4.40 per 1M output tokens, ranking 2317 out of 3501 chat models by cost and cheaper than 33% of models in this category. o3-mini supports function calling, reasoning, web search, prompt caching, structured output — one of only 8 chat models with this combination. It accepts up to 200K input tokens.

Pricing Information

Input Cost$1.10 per 1M tokens
Output Cost$4.40 per 1M tokens

Note: Use the interactive calculator above to estimate costs for your specific usage patterns.

Technical Specifications

Maximum Input Tokens200,000
Maximum Output Tokens100,000
Maximum Total Tokens100,000

Pro Tip

Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 200,000 input tokens. The maximum output length is 100,000 tokens.

Model Capabilities

✓Function Calling - Execute custom functions and tools
✓Advanced Reasoning - Complex problem-solving capabilities
✓Web Search - Access real-time web information
✓Prompt Caching - Optimize repeated prompts
✓Parallel Function Calling - Execute multiple functions simultaneously
✓Response Schema - Structured output formatting

How o3-mini Pricing Compares

At $1.10 per 1M input tokens and $4.40 per 1M output tokens, o3-mini ranks 2317 out of 3501 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 33% of models in this category.

o3-mini is one of 480 OpenRouter chat models, one of only 8 chat models combining function calling, prompt caching, reasoning, structured output, web search.

ModelProviderInput / 1M tokensOutput / 1M tokensvs o3-mini
anthropic.claude-haiku-4-5-20251001-v1:0AWS Bedrock$1.00$5.00-9%
grok-4.3Azure$1.25$2.50+14%
claude-haiku-4-5Anthropic$1.00$5.00-9%

Alternatives to o3-mini

Similar chat models from other providers

Azure
grok-4.3
$1.25/1M input
+14% vs o3-mini
Anthropic
claude-haiku-4-5
$1.00/1M input
-9% vs o3-mini
Vertex AI
gemini-2.5-pro
$1.25/1M input
+14% vs o3-mini

Frequently Asked Questions

Is o3-mini cheaper than anthropic.claude-haiku-4-5-20251001-v1:0?

No. o3-mini costs $1.10 per 1M input tokens while anthropic.claude-haiku-4-5-20251001-v1:0 costs $1.00 per 1M input tokens, making anthropic.claude-haiku-4-5-20251001-v1:0 9% more affordable for input. However, o3-mini may offer different capabilities or performance characteristics that justify the price difference.

How does o3-mini pricing compare to the average chat model?

o3-mini input pricing is $1.10 per 1M tokens, which is 83% above the median of $0.60 for chat models. It ranks 2317 out of 3501 chat models by input cost, making it cheaper than 33% of models in this category. For output, it costs $4.40 per 1M tokens compared to the median of $1.71.

What makes o3-mini different from other OpenRouter models?

Among OpenRouter's 480 chat models, o3-mini ranks 309 by input cost. Its combination of function calling, prompt caching, reasoning, structured output, web search is shared by only 7 other chat models.

What are the best alternatives to o3-mini?

The most comparable chat models to o3-mini are: anthropic.claude-haiku-4-5-20251001-v1:0 from AWS Bedrock ($1.00/1M input tokens); grok-4.3 from Azure ($1.25/1M input tokens); claude-haiku-4-5 from Anthropic ($1.00/1M input tokens); gemini-2.5-pro from Vertex AI ($1.25/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.

How do I check if OpenRouter is down?

You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.

How do I calculate o3-mini costs?

o3-mini is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $1.10 and generating 1M output tokens costs $4.40.