GPT-5.6 Sol vs Claude Opus 5

GPT-5.6 Sol from OpenAI and Claude Opus 5 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 5 is the stronger default in TokenHub data: it has the same $5 input price, about 17% lower output cost, and slightly higher Intelligence and Coding indexes than GPT-5.6 Sol. Choose GPT-5.6 Sol when its 1.05M context window or an OpenAI-centered automation workflow matters more.

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

Comparison Highlights

GPT-5.6 SolOpenAI
Claude Opus 5Anthropic
Best For
OpenAI-centered automationPDF workflowsslightly larger context
Frontier codingdemanding reasoningcost-efficient professional agents
How To Read ItUse-case synthesis from model capabilities and positioning.
Workload Fit
General useOpenAI workflowsTools
CodingAutonomous agentsValue
How To Read ItThe workloads each model is most directly shaped for.
Input
$5/M
$5/M
How To Read ItLower is better when prompts or retrieval payloads are large.
Output
$30/M
$25/MEdge
How To Read ItLower is better for reasoning-heavy or long-generation traffic.
Context length
1.1M
1M
How To Read ItHigher is better for repositories, retrieval packs, and transcripts.
Input modalities
Text, Image, PDF
Text, Image, PDF
How To Read ItBroader input support reduces the need for separate vision or video models.

Model Selection Guide

GPT-5.6 SolOpenAI

Choose GPT-5.6 Sol When

  • A 1.05M context window, versus 1M for Claude Opus 5
  • Text, image, and PDF input with a 128K maximum output
  • A flexible OpenAI model for general automation and batch processing
Claude Opus 5Anthropic

Choose Claude Opus 5 When

  • $5 input and $25 output per million tokens, versus $5 and $30
  • A 60.7 Intelligence Index and 78.0 Coding Index, versus 58.9 and 77.4
  • A 93.2 GPQA score with strong long-horizon software and agent positioning

Basic Information

GPT-5.6 SolOpenAI
Claude Opus 5Anthropic

Name

GPT-5.6 SolGPT-5.6 Sol

Model id

GPT-5.6 Solgpt-5.6-sol

Intro

GPT-5.6 SolGPT-5.6 Sol is the standard version of the Sol series. It is suitable for general Q&A, text processing, content drafting, summarization, lightweight coding assistance, and business automation tasks. Sol is designed for scenarios that need solid general capability while keeping response efficiency and cost in mind. It can be used for product features, chat assistants, content-generation tools, data cleaning, knowledge-base Q&A, and batch-processing tasks. For large-scale usage or rapid prototyping, Sol is a flexible starting point.

Author

GPT-5.6 SolOpenAI

Released date

GPT-5.6 Sol2026-07-09

Context length

GPT-5.6 Sol1.1M

Max output tokens

GPT-5.6 Sol128K

Name

Claude Opus 5Claude Opus 5

Model id

Claude Opus 5claude-opus-5

Intro

Claude Opus 5Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis of charts and documents, complex office deliverables, and coordinating parallel subagents. The model maintains strong instruction following and tool use across extended tasks, while remaining effective at lower effort settings for workloads that prioritize latency and token efficiency.

Author

Claude Opus 5Anthropic

Released date

Claude Opus 52026-07-24

Context length

Claude Opus 51M

Max output tokens

Claude Opus 5128K

Pricing

GPT-5.6 SolOpenAI
Claude Opus 5Anthropic

Input

GPT-5.6 Sol$5/M

Output

GPT-5.6 Sol$30/M

Cached input

GPT-5.6 Sol$0.5/M

Input

Claude Opus 5$5/M

Output

Claude Opus 5$25/M

Cached input

Claude Opus 5$0.5/M

Capabilities

GPT-5.6 SolOpenAI
Claude Opus 5Anthropic

Reasoning

GPT-5.6 Sol

Knowledge

GPT-5.6 Sol2026-02-16

Attachment

GPT-5.6 Sol

Input modalities

GPT-5.6 SolText, Image, PDF

Output modalities

GPT-5.6 SolText

Temperature

GPT-5.6 Sol

Tool use

GPT-5.6 Sol

Reasoning

Claude Opus 5

Knowledge

Claude Opus 52026-05-01

Attachment

Claude Opus 5

Input modalities

Claude Opus 5Text, Image, PDF

Output modalities

Claude Opus 5Text

Temperature

Claude Opus 5

Tool use

Claude Opus 5

Benchmark

GPT-5.6 SolOpenAI
Claude Opus 5Anthropic

Intelligence

58.9

Coding

77.4

Intelligence

wins60.7

Coding

wins78

Knowledge & Reasoning

GPQA

wins94.1%

HLE

47.2%

GPQA

93.2%

HLE

wins52.6%

Coding

SciCode

wins56.1%

Terminal-Bench Hard

wins65.9%

SciCode

55.7%

Terminal-Bench Hard

n/a

Instruction Following & Agent Tasks

IFBench

wins72.7%

AA-LCR

wins73.7%

Tau2

wins85.1%

IFBench

n/a

AA-LCR

70%

Tau2

n/a

FAQ

Which model is better, GPT-5.6 Sol or Claude Opus 5?

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GPT-5.6 Sol and Claude Opus 5 should be compared by workload. This page places price, context, output limits, capabilities, and benchmark data side by side. It is also relevant to: gpt-5.6 sol vs claude opus 5, gpt 5.6 vs claude opus 5, chatgpt vs claude opus 5.

Is Claude Opus 5 cheaper than GPT-5.6 Sol?

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Use the pricing rows above to compare input, output, and cached input prices for GPT-5.6 Sol and Claude Opus 5.

Which model supports a longer context length?

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GPT-5.6 Sol lists 1.1M context length, while Claude Opus 5 lists 1M.

Can I access both models through TokenHub?

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If both models are available in the TokenHub catalog, you can route requests to GPT-5.6 Sol and Claude Opus 5 through the TokenHub API.