Model Comparison

Claude Opus 5 (Adaptive Reasoning, Max Effort)
vs. GPT-5.6 Sol (max)

Comparing 2 AI models · 7 benchmarks · Anthropic, OpenAI

Recommended Pick

Anthropic logoClaude Opus 5 (Adaptive Reasoning, Max Effort)9 metric wins

Strongest on: Value, Output price, Blended price

Best Value

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

100.0 value score

70.4 reasoning / $10.00/1M

Lowest Price

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

$5.00/1M input price

Best Reasoning

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

70.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

78.0 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

Claude Opus 5 (Adaptive Reasoning, Max Effort) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Speed gap

GPT-5.6 Sol (max) generates about 1.4x as many tokens per second as Claude Opus 5 (Adaptive Reasoning, Max Effort).

Reasoning gap

Claude Opus 5 (Adaptive Reasoning, Max Effort) leads GPT-5.6 Sol (max) by 2.2 points on reasoning.

Coding gap

Claude Opus 5 (Adaptive Reasoning, Max Effort) leads GPT-5.6 Sol (max) by 0.6 points on coding.

Top-pick rationale

Claude Opus 5 (Adaptive Reasoning, Max Effort) wins 9 measurable categories, including Value, Output price, Blended price, TTFT.

Live compare

Response Face-Off

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

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

Anthropic

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
OpenAI logo

GPT-5.6 Sol (max)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
Top Pick
Anthropic logoClaude Opus 5 (Adaptive Reasoning, Max Effort)
Anthropic
OpenAI logoGPT-5.6 Sol (max)
OpenAI
Pricing per 1M tokens
Input Cost$5.00/1M$5.00/1M
Output Cost$25.00/1M$30.00/1M
Blended (3:1)$10.00/1M$11.25/1M
Specifications
OrganizationAnthropicOpenAI
Release DateJul 24, 2026Jul 9, 2026
Performance & Speed
Throughput49.1 tok/s69.7 tok/s
TTFT32421ms87024ms
Latency32421ms87024ms
Composite Indices
Value Score100.086.1
Reasoning Score70.468.2
Intelligence63.160.9
Coding78.077.4
Standard Benchmarks
GPQA93.2%94.1%
HLE54.9%49.5%
SciCode55.7%56.1%
LCR75.7%77.7%
IFBench72.7%
TAU-bench v285.1%
TerminalBench Hard65.9%

Key Takeaways

Claude Opus 5 (Adaptive Reasoning, Max Effort) offers the best value at $5.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Claude Opus 5 (Adaptive Reasoning, Max Effort) has the strongest reasoning profile with a 70.4 reasoning score,combining the available reasoning-heavy benchmarks.

Claude Opus 5 (Adaptive Reasoning, Max Effort) reaches a 78.0 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

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, Max Effort)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development
OpenAI logo

GPT-5.6 Sol (max)

  • General-purpose AI
  • Versatile applications