Model Comparison

Claude Opus 5.5 (Max, Default Fallback)
vs. Gemini 4 Carbon (Medium)

Claude Opus 5.5 (Max, Default Fallback) has not been available at LLMBase since 26 October 2026. Open alternative: DeepSeek V4 Pro →

Comparing 2 AI models · 0 benchmarks · Anthropic, Google

Recommended Pick

Anthropic logoClaude Opus 5.5 (Max, Default Fallback)4 metric wins

Strongest on: Value, Throughput, Reasoning

Best Value

Anthropic logo

Claude Opus 5.5 (Max, Default Fallback)

100.0 value score

59.1 reasoning / $8.00/1M

Lowest Price

Anthropic logo

Claude Opus 5.5 (Max, Default Fallback)

$4.00/1M input price

Best Reasoning

Anthropic logo

Claude Opus 5.5 (Max, Default Fallback)

59.1 reasoning score

Blends available reasoning benchmarks

Differences That Matter

Best value

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

Speed gap

Claude Opus 5.5 (Max, Default Fallback) generates about 1.1x as many tokens per second as Gemini 4 Carbon (Medium).

Reasoning gap

Claude Opus 5.5 (Max, Default Fallback) leads Gemini 4 Carbon (Medium) by 0.8 points on reasoning.

Top-pick rationale

Claude Opus 5.5 (Max, Default Fallback) wins 4 measurable categories, including Value, Throughput, Reasoning, Intelligence.

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
Anthropic logo

Claude Opus 5.5 (Max, Default Fallback)

Anthropic

Waiting

TTFT

—

Time

—

tok/s

—

Tokens

—

Cost

—

Waiting
Google logo

Gemini 4 Carbon (Medium)

Google

Waiting

TTFT

—

Time

—

tok/s

—

Tokens

—

Cost

—

Waiting

Which answer was more useful?

EU-hosted open models, one API

Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.

Full Comparison

Metric
Top Pick
Anthropic logoClaude Opus 5.5 (Max, Default Fallback)
Anthropic
Google logoGemini 4 Carbon (Medium)
Google
Pricing per 1M tokens
Input Cost$4.00/1M$4.00/1M
Output Cost$20.00/1M$20.00/1M
Blended (3:1)$8.00/1M$8.00/1M
Specifications
OrganizationAnthropicGoogle
Release DateSep 22, 2026Oct 28, 2026
Performance & Speed
Throughput94.6 tok/s85.8 tok/s
TTFT663560ms26790ms
Latency663560ms26790ms
Composite Indices
Value Score100.098.6
Reasoning Score59.158.3
Intelligence59.158.3

Key Takeaways

Claude Opus 5.5 (Max, Default Fallback) offers the best value at $4.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Claude Opus 5.5 (Max, Default Fallback) has the strongest reasoning profile with a 59.1 reasoning score,combining the available reasoning-heavy benchmarks.

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

When to Choose Each Model

Anthropic logo

Claude Opus 5.5 (Max, Default Fallback)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
Google logo

Gemini 4 Carbon (Medium)

  • General-purpose AI
  • Versatile applications