Model Comparison

Gemini 2.5 Pro
vs. Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

Comparing 2 AI models · 0 benchmarks · Google, Anthropic

Recommended Pick

Google logoGemini 2.5 Pro6 metric wins

Strongest on: Input price, Output price, Blended price

Best Value

Anthropic logo

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

100.0 value score

57.6 reasoning / $8.00/1M

Lowest Price

Google logo

Gemini 2.5 Pro

$1.25/1M input price

Best Reasoning

Anthropic logo

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

57.6 reasoning score

Blends available reasoning benchmarks

Best for Coding

Google logo

Gemini 2.5 Pro

33.3 coding index

Differences That Matter

Best value

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Gemini 2.5 Pro is 3.2x cheaper on input tokens than Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback).

Speed gap

Gemini 2.5 Pro generates about 1.3x as many tokens per second as Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback).

Reasoning gap

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) leads Gemini 2.5 Pro by 41.5 points on reasoning.

Top-pick rationale

Gemini 2.5 Pro wins 6 measurable categories, including Input price, Output price, Blended price, Throughput.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

10 comparisons left in 24h
Google logo

Gemini 2.5 Pro

Google

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Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

Anthropic

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Which answer was more useful?

Secure AI Chat made in Europe

Use Claude, ChatGPT, Gemini alongside with EU-Hosted Models like Deepseek, Qwen & Kimi.

EU-hosted inference

Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.

Full Comparison

Metric
Top Pick
Google logoGemini 2.5 Pro
Google
Anthropic logoClaude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)
Anthropic
Pricing per 1M tokens
Input Cost$1.25/1M$4.00/1M
Output Cost$10.00/1M$20.00/1M
Blended (3:1)$3.44/1M$8.00/1M
Specifications
OrganizationGoogleAnthropic
Release DateJun 5, 2025Sep 22, 2026
Performance & Speed
Throughput123.9 tok/s92.2 tok/s
TTFT22310ms685450ms
Latency22310ms685450ms
Composite Indices
Value Score65.1100.0
Reasoning Score16.157.6
Intelligence16.157.6
Coding33.3—

Key Takeaways

Gemini 2.5 Pro offers the best value at $1.25/1M,making it ideal for high-volume applications and cost-conscious projects.

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback) has the strongest reasoning profile with a 57.6 reasoning score,combining the available reasoning-heavy benchmarks.

Gemini 2.5 Pro reaches a 33.3 coding index,making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Google logo

Gemini 2.5 Pro

  • Cost-sensitive applications
  • High-volume processing
  • Code generation
  • Software development
Anthropic logo

Claude Opus 5.5 (Adaptive Reasoning, Max Effort, Default Fallback)

  • Complex reasoning tasks
  • Research & analysis