Gemini 2.5 Pro vs Inception: Mercury 2, API pricing and model comparison

Compare Gemini 2.5 Pro vs Inception: Mercury 2 side by side by input/output token price, context window, benchmark signals, capabilities, and example monthly API cost.

Quick comparison summary

This page compares Gemini 2.5 Pro vs Inception: Mercury 2 in one matrix. Current records: Gemini 2.5 Pro on Gemini API: $1.25/$10 per 1M tokens, 1049K context window; Inception: Mercury 2 on OpenRouter: $0.25/$0.75 per 1M tokens, 128K context window. Prices are estimates—verify official provider pages before production use.

Gemini 2.5 Pro

gemini-2.5-pro

Gemini API

Input: $1.25 / 1M
Output: $10.00 / 1M
Context: 1.0m
Model page: Details

Mercury 2

inception/mercury-2

OpenRouter

Input: $0.2500 / 1M
Output: $0.7500 / 1M
Context: 128k
Model page: Details

Comparison matrixLLM Table

Models to compare2/4

Model 1

1.0M

Select model344 models

Model 2

128K

Select model344 models

Google: Gemini 2.5 Pro

Gemini API

Input

$1.25 / 1M

Output

$10.00 / 1M

Context

1.0MLargest context

Monthly cost

$425.00

Benchmark

1,446Top benchmarkLMArena Text Arena

VisionToolsJSONReasoningAudioLong context

Inception: Mercury 2

OpenRouter

Cheapest (this scenario)

Input

$0.2500 / 1M

Output

$0.7500 / 1M

Context

128K

Monthly cost

$47.50

Benchmark

1,165LMArena WebDev Arena

ToolsJSONReasoningLong context

Google: Gemini 2.5 Pro

Gemini API

Inception: Mercury 2

OpenRouter

Input

$1.25 / 1M

$0.2500 / 1MCheapest (this scenario)

Output

$10.00 / 1M

$0.7500 / 1MCheapest (this scenario)

Context

1.0MLargest context

128K

Benchmark

1,446Top benchmark

LMArena Text Arena

1,165

LMArena WebDev Arena

Monthly cost

$425.00

$47.50Cheapest (this scenario)

Capabilities

VisionToolsJSONReasoningAudioLong context

ToolsJSONReasoningLong context

FAQ

Model comparison notes

How do Gemini 2.5 Pro vs Inception: Mercury 2 API prices compare?

Compare input and output prices per 1M tokens side by side. The same underlying model can list different prices by route (Direct API vs OpenRouter); this table uses the selected route records.

Which model looks cheaper?

Scenario cost depends on your input/output mix. The example monthly cost in the table uses default token volumes—adjust with the cost calculator for your traffic.

Are benchmark scores included?

Independent or provider-reported benchmark signals appear when available. Benchmarks do not replace price analysis—evaluate both for your quality requirements.

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