Model Comparison

Claude Opus 5 (Adaptive Reasoning, High Effort)
vs. Grok 4.6 (high)

Comparing 2 AI models · 4 benchmarks · Anthropic, SpaceXAI

Recommended Pick

Anthropic logoClaude Opus 5 (Adaptive Reasoning, High Effort)7 metric wins

Strongest on: TTFT, Latency, Reasoning

Best Value

SpaceXAI logo

Grok 4.6 (high)

100.0 value score

66.2 reasoning / $3.00/1M

Lowest Price

SpaceXAI logo

Grok 4.6 (high)

$2.00/1M input price

Best Reasoning

Anthropic logo

Claude Opus 5 (Adaptive Reasoning, High Effort)

69.3 reasoning score

Blends available reasoning benchmarks

Best for Coding

SpaceXAI logo

Grok 4.6 (high)

76.8 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

Grok 4.6 (high) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Grok 4.6 (high) is 2.5x cheaper on input tokens than Claude Opus 5 (Adaptive Reasoning, High Effort).

Speed gap

Grok 4.6 (high) generates about 1.3x as many tokens per second as Claude Opus 5 (Adaptive Reasoning, High Effort).

Reasoning gap

Claude Opus 5 (Adaptive Reasoning, High Effort) leads Grok 4.6 (high) by 3.1 points on reasoning.

Coding gap

Grok 4.6 (high) leads Claude Opus 5 (Adaptive Reasoning, High Effort) by 0.3 points on coding.

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, High Effort)

Anthropic

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
SpaceXAI logo

Grok 4.6 (high)

SpaceXAI

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, High Effort)
Anthropic
SpaceXAI logoGrok 4.6 (high)
SpaceXAI
Pricing per 1M tokens
Input Cost$5.00/1M$2.00/1M
Output Cost$25.00/1M$6.00/1M
Blended (3:1)$10.00/1M$3.00/1M
Specifications
OrganizationAnthropicSpaceXAI
Release DateJul 24, 2026Aug 12, 2026
Performance & Speed
Throughput50.1 tok/s62.8 tok/s
TTFT15121ms42489ms
Latency15121ms42489ms
Composite Indices
Value Score31.4100.0
Reasoning Score69.366.2
Intelligence61.560.9
Coding76.576.8
Standard Benchmarks
GPQA93.7%94.9%
HLE52.8%42.9%
SciCode54.3%53.6%
LCR76.3%75.0%

Key Takeaways

Grok 4.6 (high) offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Claude Opus 5 (Adaptive Reasoning, High Effort) has the strongest reasoning profile with a 69.3 reasoning score,combining the available reasoning-heavy benchmarks.

Grok 4.6 (high) reaches a 76.8 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, High Effort)

  • Complex reasoning tasks
  • Research & analysis
SpaceXAI logo

Grok 4.6 (high)

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