GPT-5.5 Pro vs Claude Opus 4.7

GPT-5.5 Pro from OpenAI and Claude Opus 4.7 from Anthropic are shown side by side so you can compare pricing, model IDs, context and output limits, modalities, tool use, release details, and benchmark results where data is available.

Overall Recommendation

Claude Opus 4.7 is the safer default because TokenHub publishes a 53.5 Intelligence Index and 52.5 Coding Index for it at far lower pricing. Choose GPT-5.5 Pro when the high-compute GPT tier is specifically required for maximum-quality professional delivery.

Comparison Highlights

Based On Current Page Data

GPT-5.5 ProOpenAI

Claude Opus 4.7Anthropic

How To Read It

Best For

Highest-difficulty professional reasoningdeliverables

Advanced engineeringautonomous agentsdifficult knowledge work

How To Read ItUse-case synthesis from model capabilities and positioning.

Workload Fit

Pro reasoningCodingResearch

EngineeringAutonomyEnterprise

How To Read ItThe workloads each model is most directly shaped for.

Input

$30/M

$5/MEdge

How To Read ItLower is better when prompts or retrieval payloads are large.

Output

$180/M

$25/MEdge

How To Read ItLower is better for reasoning-heavy or long-generation traffic.

Context length

1.1M

How To Read ItHigher is better for repositories, retrieval packs, and transcripts.

Input modalities

Image, PDF, Text

How To Read ItBroader input support reduces the need for separate vision or video models.

Model Selection Guide

GPT-5.5 ProOpenAI

Choose GPT-5.5 Pro When

TokenHub positions it as the high-compute GPT-5.5 tier for the hardest professional tasks
$30 input and $180 output per million tokens, prioritizing answer quality over cost
A 1.05M context window, 128K maximum output, and text, image, and PDF input

Claude Opus 4.7Anthropic

Choose Claude Opus 4.7 When

A 53.5 Intelligence Index and 52.5 Coding Index in TokenHub’s max-effort profile
$5 input and $25 output per million tokens
A 1M context window, 128K maximum output, and text, image, and PDF input

Basic Information

GPT-5.5 ProOpenAI

Claude Opus 4.7Anthropic

Name

GPT-5.5 Pro

Model id

gpt-5.5-pro

Intro

GPT-5.5 Pro is the higher-compute variant of OpenAI’s GPT-5.5 generation, intended for the hardest professional tasks where answer quality matters more than speed. OpenAI materials describe the Pro tier as thinking harder for greater precision across coding, research, data analysis, and document-heavy work. It should be positioned for difficult reasoning and professional-grade deliverables rather than routine chat.

Author

OpenAI

Released date

2026-04-23

Context length

1.1M

Max output tokens

128K

Name

Claude Opus 4.7

Model id

claude-opus-4.7

Intro

Claude Opus 4.7 is described by Anthropic as a strong upgrade for advanced software engineering and difficult long-running tasks. Official messaging highlights the model’s ability to handle complicated work and verify its own outputs. It should be described around sustained engineering judgment rather than generic writing quality.

Author

Anthropic

Released date

2026-04-16

Context length

Max output tokens

128K

Name

GPT-5.5 Pro

Name

Claude Opus 4.7

Model id

gpt-5.5-pro

Model id

claude-opus-4.7

Intro

Author

OpenAI

Author

Anthropic

Released date

2026-04-23

Released date

2026-04-16

Context length

1.1M

Context length

Max output tokens

128K

Max output tokens

128K

Pricing

GPT-5.5 ProOpenAI

Claude Opus 4.7Anthropic

Input

$30/M

Output

$180/M

Cached input

n/a

Input

$5/M

Output

$25/M

Cached input

$0.5/M

Input

$30/M

Input

$5/M

Output

$180/M

Output

$25/M

Cached input

n/a

Cached input

$0.5/M

Capabilities

GPT-5.5 ProOpenAI

Claude Opus 4.7Anthropic

Reasoning

Knowledge

2025-12-01

Attachment

Input modalities

Image, PDF, Text

Output modalities

Text

Temperature

Tool use

Reasoning

Knowledge

2026-01-31

Attachment

Input modalities

Image, PDF, Text

Output modalities

Text

Temperature

Tool use

Reasoning

Knowledge

2025-12-01

Knowledge

2026-01-31

Attachment

Input modalities

Image, PDF, Text

Input modalities

Image, PDF, Text

Output modalities

Text

Output modalities

Text

Temperature

Tool use

Benchmark

GPT-5.5 ProOpenAINo benchmark data

Claude Opus 4.7Anthropic

Intelligence

n/a

Coding

n/a

Intelligence

wins53.5

Coding

wins52.5

Knowledge & Reasoning

GPQA

n/a

HLE

n/a

GPQA

wins91.4%

HLE

wins39.6%

Coding

SciCode

n/a

Terminal-Bench Hard

n/a

SciCode

wins54.5%

Terminal-Bench Hard

wins51.5%

Instruction Following & Agent Tasks

IFBench

n/a

AA-LCR

n/a

Tau2

n/a

IFBench

wins58.6%

AA-LCR

wins70.3%

Tau2

wins88.6%

FAQ

Which model is better, GPT-5.5 Pro or Claude Opus 4.7?

GPT-5.5 Pro and Claude Opus 4.7 should be compared by workload. This page places price, context, output limits, capabilities, and benchmark data side by side. It is also relevant to: claude vs chatgpt, claude ai vs chatgpt, chatgpt vs claude comparison, chat gpt vs claude.

Is Claude Opus 4.7 cheaper than GPT-5.5 Pro?

Use the pricing rows above to compare input, output, and cached input prices for GPT-5.5 Pro and Claude Opus 4.7.

Which model supports a longer context length?

GPT-5.5 Pro lists 1.1M context length, while Claude Opus 4.7 lists 1M.

Can I access both models through TokenHub?

If both models are available in the TokenHub catalog, you can route requests to GPT-5.5 Pro and Claude Opus 4.7 through the TokenHub API.