Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free trial
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Automations
  • AI Gateway
  • All features →
  • LLM cost calculator
  • Token counter
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Benchmarks
  • Demos
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Claude Opus 4.8 vs GPT 5 Nano

At a glance

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

Ultra-fast and lightweight GPT-5 variant for low-latency tasks.

73400K ctx$0.05/$0.40 per M#48/92
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·Provider·OpenRouter· as of 2026-07-10
Smarter22%
Capability
CapabilityECI22%89.2
Reasoning & Knowledge
Graduate Science31%91.0%Factual Recall224%39.5%
Math
Math Problems—Competition Math21%98.3%Research Math471%47.2%
Coding
Real-World Coding88.6%
Agentic
Terminal Tasks—Novel Reasoning2662%72.1%
Reasoning
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper99%
Capability
CapabilityECI73.4
Reasoning & Knowledge
Graduate Science69.4%Factual Recall12.2%
Math
Math Problems95.2%Competition Math81.1%Research Math8.3%
Coding
Real-World Coding—
Agentic
Terminal Tasks11.5%Novel Reasoning2.6%
Specs
1M
Context
128K
Max output
May 2026
Released
400K
Context
128K
Max output
Aug 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
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
Live pricing, shown before you run
Input99%$0.05/M tokens
Output98%$0.40/M tokens
Cache read99%$0.005/M tokens
Web search$0.01/search
Chat with Claude Opus 4.8Go to model
Chat with GPT 5 NanoGo to model
Frequently Asked Questions: Claude Opus 4.8 vs GPT 5 Nano▼

Which is better, Claude Opus 4.8 or GPT 5 Nano?

▼

Based on the Capability Index, Claude Opus 4.8 scores higher (89.2 vs 73.4). 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 GPT 5 Nano?

▼

GPT 5 Nano has a lower blended cost. Claude Opus 4.8: $5.00 input / $25.00 output. GPT 5 Nano: $0.05 input / $0.40 output.

Which has a larger context window, Claude Opus 4.8 or GPT 5 Nano?

▼

Claude Opus 4.8 has a larger context window: Claude Opus 4.8 supports 1M tokens vs GPT 5 Nano at 400K tokens.

Do both Claude Opus 4.8 and GPT 5 Nano support vision?

▼

Yes, both Claude Opus 4.8 and GPT 5 Nano support vision/image input.

What are the key differences between Claude Opus 4.8 and GPT 5 Nano?

▼

Key differences: Claude Opus 4.8 has a notably higher capability index (15.8 point gap); GPT 5 Nano 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 GPT 5 Nano for free on idapt.app to see which performs better for your specific needs.

Open in App