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Claude Opus 4.5 vs Grok 4.7

Claude Opus 4.5

Anthropic

85#66
vs
Grok 4.7

xAI

89#43
Signal-by-Signal Comparison
SignalClaude Opus 4.5DeltaGrok 4.7
Capabilities
100
--
100
Benchmarks
85
-2
86
Pricing
75
-20
95
Context window size
84
-6
90
Recency
78
-22
100
Output Capacity
77
-14
90
Overall Result
0 wins
of 6
5 wins
Grok 4.7 wins 5 of 6 signals

Score History

Score History (32 data points)
Claude Opus 4.5Grok 4.7
Claude Opus 4.5

85.1

current score

Leader

Grok 4.7

right now

Grok 4.7

88.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Claude Opus 4.5

Anthropic

Per request$0.017500
Daily$58.33
Monthly$1750.00
Annual$21000.00

Grok 4.7

xAI

Best Value
Per request$0.004000
Daily$13.33
Monthly$400.00
Annual$4800.00

Grok 4.7 saves you $1350.00/month

That's $16200.00/year compared to Claude Opus 4.5 at your current usage level of 100K calls/month.

77% cheaper
Choose Grok 4.7 for cost optimization

Claude Opus 4.5 pricing:
Input:$5.00/M tokens
Output:$25.00/M tokens
Grok 4.7 pricing:
Input:$1.60/M tokens
Output:$4.80/M tokens
Claude Opus 4.5

Anthropic

85

Composite Score

Winner
Grok 4.7

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricClaude Opus 4.5Grok 4.7Winner
Overall Score
85
89
Grok 4.7
Rank#66#43
Grok 4.7
Quality Rank#66#43
Grok 4.7
Adoption Rank#66#43
Grok 4.7
Parameters------
Context Window200K500K
Grok 4.7
Pricing$5.00/$25.00/M$1.60/$4.80/M--
Signal Scores
Capabilities
100
100
Claude Opus 4.5
Benchmarks
85
86
Grok 4.7
Pricing
75
95
Grok 4.7
Context window size
84
90
Grok 4.7
Recency
78
100
Grok 4.7
Output Capacity
77
90
Grok 4.7
Benchmark Head-to-Head(12 benchmarks)
Claude Opus: 41 tiesGrok 4.7: 6
Claude Opus
Grok 4.7
Normalized 0-100%
MMLU
91.4%91.5%
MMLU-Pro
78%83.5%
GPQA Diamond
86.2%82%
MATH-500
88.1%95%
HumanEval
95.2%95.5%
SWE-bench Verified
80.9%70%
AIME 2024
72%88%
IFEval
91.5%91%
BBH
90%90%
Arena Elo
14301462
LiveBench
74%73%
HLE
32.1%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Claude Opus 4.5Elite Tier

Scores 85/100 (rank #66), placing it in the top 78% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok 4.7Elite Tier

Scores 89/100 (rank #43), placing it in the top 86% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 4-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Claude Opus 4.5 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving

Choose Grok 4.7 when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (500K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Claude Opus 4.5
Input cost$5.00/M tokens
Output cost$25.00/M tokens
Cost per quality point$0.353
Est. monthly (1M tokens/day)$450.00
Grok 4.7Best Value
Input cost$1.60/M tokens
Output cost$4.80/M tokens
Cost per quality point$0.072
Est. monthly (1M tokens/day)$96.00

Grok 4.7 offers 79% better value per quality point. At 1M tokens/day, you'd spend $96.00/month with Grok 4.7 vs $450.00/month with Claude Opus 4.5 - a $354.00 monthly difference.

Latency & Speed
Claude Opus 4.5Faster
Speed score0/100
Grok 4.7
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Claude Opus 4.5

Customer support chatbot

Suitable for user-facing chat with competitive response times. Grok 4.7 also offers lower per-token costs for high-volume support

Claude Opus 4.5

Long document analysis

Larger context window (500K tokens) can process longer documents, contracts, and research papers in a single pass

Grok 4.7

Batch data extraction

Lower output pricing ($4.80/M) reduces costs when processing thousands of records daily

Grok 4.7

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.7

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Claude Opus 4.5
Which Should You Choose?
Our recommendation:
Grok 4.7

Grok 4.7 has a moderate advantage with a 3.700000000000003-point lead in composite score. It wins on more signal dimensions, but Claude Opus 4.5 has specific strengths that could make it the better choice for certain workflows.

by Anthropic

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
Grok 4.7
Recommended

by xAI

  • Choose for Cost - 79% lower pricing; better value at scale
Capability Comparison
CapabilityClaude Opus 4.5Grok 4.7
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Claude Opus 4.5

Anthropic

$39.00
estimated monthly cost

Grok 4.7

xAI

Best Value
$8.64
estimated monthly cost

Grok 4.7 saves you $30.36/month

That's 78% cheaper than Claude Opus 4.5 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterClaude Opus 4.5Grok 4.7
Context Window200K500K
Max Output Tokens64,000450,000
Open SourceNoNo
CreatedNov 24, 2025Sep 21, 2026
Last updated: 40m ago

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