Claude Opus 4.7 vs
GPT-5.5 Pro

Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.

Models in this comparison

Provider identity and evidence state stay balanced across the pair.

A
Model type
Proprietary
Evidence state
Supported evidence
Published context
1,000,000
VS
Model type
Proprietary
Evidence state
Estimated evidence
Published context
1,000,000

Key implications

Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.

  1. Input API price: Claude Opus 4.7 has the lower verified rate ($5 / 1M tokens vs $30 / 1M tokens).
  2. Output API price: Claude Opus 4.7 has the lower verified rate ($25 / 1M tokens vs $180 / 1M tokens).

Shared metric view

A radar is shown only when at least four compatible supported score metrics are published.

Comparable metric detail

  • AgenticClaude Opus 4.7: 58.5 · GPT-5.5 Pro: 61.25
  • CodingClaude Opus 4.7: 68.72 · GPT-5.5 Pro: Unavailable
  • KnowledgeClaude Opus 4.7: 63.9 · GPT-5.5 Pro: 84.3
  • MathClaude Opus 4.7: 61.8 · GPT-5.5 Pro: 72
  • OverallClaude Opus 4.7: 72.33 · GPT-5.5 Pro: 64.43

Source metrics

Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.

Source metric comparison
MetricUnitClaude Opus 4.7GPT-5.5 Pro
Agenticscore58.561.25
Codingscore68.72Unavailable
Knowledgescore63.984.3
Mathscore61.872
Overallscore72.3364.43

Agentic

Unit
score
Claude Opus 4.7
58.5
GPT-5.5 Pro
61.25

Coding

Unit
score
Claude Opus 4.7
68.72
GPT-5.5 Pro
Unavailable

Knowledge

Unit
score
Claude Opus 4.7
63.9
GPT-5.5 Pro
84.3

Math

Unit
score
Claude Opus 4.7
61.8
GPT-5.5 Pro
72

Overall

Unit
score
Claude Opus 4.7
72.33
GPT-5.5 Pro
64.43

Pricing and context

Verification is shown beside each selected route. Missing facts remain Not verified.

Route pricing and context comparison
FieldUnitClaude Opus 4.7GPT-5.5 Pro
Input API priceUSD / 1M tokens$5$30
Output API priceUSD / 1M tokens$25$180
Route contexttokens1,000,0001,000,000
Input modalitiespublished listNot verifiedNot verified
Output modalitiespublished listNot verifiedNot verified

Input API price

Unit
USD / 1M tokens
Claude Opus 4.7
$5
GPT-5.5 Pro
$30

Output API price

Unit
USD / 1M tokens
Claude Opus 4.7
$25
GPT-5.5 Pro
$180

Route context

Unit
tokens
Claude Opus 4.7
1,000,000
GPT-5.5 Pro
1,000,000

Input modalities

Unit
published list
Claude Opus 4.7
Not verified
GPT-5.5 Pro
Not verified

Output modalities

Unit
published list
Claude Opus 4.7
Not verified
GPT-5.5 Pro
Not verified

Evidence provenance

Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.

Publication time
Aug 30, 2026, 2:15 AM UTC
Freshness
Stale — Published weekly benchmark evidence has not refreshed within 8 days.
Methodology
benchlm: benchlm_raw_composite
Model records
  • Claude Opus 4.7 — source benchlm · artifact models · model claude-opus-4-7
  • GPT-5.5 Pro — source benchlm · artifact models · model gpt-5-5-pro
Selected price routes
  • Claude Opus 4.7 — route benchlm:claude-opus-4-7 · source benchlm · provider anthropic
  • GPT-5.5 Pro — route benchlm:gpt-5-5-pro · source benchlm · provider openai

Switch model pair

Choose from this result’s current and reviewed related models. Switching opens a reviewed comparison; it does not change this result’s evidence.

Step 1

Start with popular models, or search the full selectable directory.

Step 2

Start with popular models, or search the full selectable directory.