Inception: Mercury 2.5 Preview
Analysis Summary
Inception Mercury 2.5 Preview is a text model with a 260,000-token context window, tool use, and function calling. The supplied record contains no reasoning, coding, or agentic benchmark results, making its actual production capability difficult to assess despite the useful interface features.
Its low pricing, $0.04 per million input tokens and $0.15 per million output tokens, creates a compelling test platform for simple automation, retrieval-based tasks, and early agent prototypes. The preview designation and missing benchmark evidence argue against using it for high-stakes client content, complex coding, or autonomous workflows. Consider it for controlled pilots where cost and long context matter, with a tested fallback model for important outputs.
Assessed September 7, 2026
Editorial notes
Mercury 2.5 Preview offers a 260K context window, tool use, function calling, and very low pricing. It has no benchmark data in the supplied record, so it is better treated as an experimental option than a proven production model.
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DFO Verdict
Mercury 2.5 Preview offers a 260K context window, tool use, function calling, and very low pricing. It has no benchmark data in the supplied record, so it is better treated as an experimental option than a proven production model.
How Inception: Mercury 2.5 Preview compares
Its 260K-token context window is larger than 56% of the models we list. At $0.04 per million input tokens it is cheaper than 77% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on value. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.04 | $0.000040 |
| Output | $0.15 | $0.000150 |
What would Inception: Mercury 2.5 Preview cost your business?
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A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 798 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Inception: Mercury 2.5 Preview for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Inception: Mercury 2.5 Preview
Mercury 2.5 is the fastest reasoning LLM, and the latest diffusion LLM (dLLM) from Inception. Instead of generating tokens sequentially, Mercury 2.5 produces and refines multiple tokens in parallel, achieving..
Frequently asked questions about Inception: Mercury 2.5 Preview
How much does Inception: Mercury 2.5 Preview cost?
Inception: Mercury 2.5 Preview costs $0.04 per million input tokens and $0.15 per million output tokens.
What is the context window of Inception: Mercury 2.5 Preview?
Inception: Mercury 2.5 Preview has a context window of 260,000 tokens (260K).
What can Inception: Mercury 2.5 Preview do?
Inception: Mercury 2.5 Preview supports tool use and function calling.
Who created Inception: Mercury 2.5 Preview?
Inception: Mercury 2.5 Preview is developed by Inception and was released on August 31, 2026.