Skip to main content
idapt
HomeAI ModelsPricing
Sign inStart free

Claude Opus 4.8 vs o1

At a glance
AnthropicClaude Opus 4.8

Anthropic's most capable Opus yet, built for long-horizon autonomous agents and frontier coding.

891M ctx$5.00/$25.00 per M#4/92
OpenAIo1

OpenAI's original frontier reasoning model with deep thinking.

75200K ctx$15.00/$60.00 per M#42/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
AnthropicClaude Opus 4.8
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
SmarterCheaper
Capability
CapabilityECI89.2
Reasoning & Knowledge
Graduate Science91.0%Factual Recall39.5%
Math
Math Problems—Competition Math98.3%Research Math47.2%
Coding
Real-World Coding88.6%Code Editing—
Agentic
Novel Reasoning72.1%Task Horizon—
OpenAIo1
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI75.2
Reasoning & Knowledge
Graduate Science76.8%Factual Recall—
Math
Math Problems94.7%Competition Math73.3%Research Math9.3%
Coding
Real-World Coding—Code Editing61.7%
Agentic
Novel Reasoning—Task Horizon39min
Specs
AnthropicClaude Opus 4.8
1M
Context
128K
Max output
May 2026
Released
OpenAIo1
200K
Context
100K
Max output
Dec 2024
Released
Capabilities
AnthropicClaude Opus 4.8
Vision
Audio
Reasoning
OpenAIo1
Vision
Audio
Reasoning
Pricing
AnthropicClaude Opus 4.8
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
OpenAIo1
Live pricing, shown before you run
Input$15.00/M tokens
Output$60.00/M tokens
Cache read$7.50/M tokens
Web search$0.01/search
Chat with Claude Opus 4.8Go to model
Chat with o1Go to model
Frequently Asked Questions: Claude Opus 4.8 vs o1▼

Which is better, Claude Opus 4.8 or o1?

▼

Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 75.2). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

Which is cheaper, Claude Opus 4.8 or o1?

▼

Claude Opus 4.8 has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. o1: $15.00 input / $60.00 output.

Which has a larger context window, Claude Opus 4.8 or o1?

▼

Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs o1 at 200K tokens.

Do both Claude Opus 4.8 and o1 support vision?

▼

Yes, both Claude Opus 4.8 and o1 support vision/image input.

What are the key differences between Claude Opus 4.8 and o1?

▼

Key differences: Claude Opus 4.8 has a notably higher capability index (14.0 point gap); Claude Opus 4.8 is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 4.8 and o1 for free on idapt.app to see which performs better for your specific needs.

Open in App
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Voice Mode
  • Voice HUD
  • Web Search
  • Image Generation
  • Video Generation
  • Audio Generation
  • Transcription
  • Drive
  • Secrets
  • Sharing
  • Workspaces
  • Tasks
  • Memory
  • Agents
  • Subagents
  • Automations
  • Skills
  • Code Execution
  • Computers
  • Computer Use
  • Cloud Computers
  • Local AI
  • AI Gateway
  • API & SDK
  • CLI
  • MCP
  • Tunnels
  • All features →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Learn
  • Free tools
  • Prompts
  • Templates
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)