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Claude Opus 5 vs GPT 5.4 Nano

At a glance

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M

Ultra-lightweight GPT-5.4 variant built for speed-critical, high-volume tasks.

79400K ctx$0.20/$1.25 per M#29/92
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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Reasoning & Knowledge
Graduate Science—Factual Recall—
Math
Competition Math—Research Math—
Agentic
Novel Reasoning—
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper95%
Capability
CapabilityECI78.7
Reasoning & Knowledge
Graduate Science78.5%Factual Recall12.0%
Math
Competition Math87.8%Research Math25.9%
Agentic
Novel Reasoning5.7%
Specs
1M
Context
128K
Max output
Jul 2026
Released
400K
Context
128K
Max output
Mar 2026
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
Input96%$0.20/M tokens
Output95%$1.25/M tokens
Cache read96%$0.02/M tokens
Web search$0.01/search
Chat with Claude Opus 5Go to model
Chat with GPT 5.4 NanoGo to model
Frequently Asked Questions: Claude Opus 5 vs GPT 5.4 Nano▼

Which is better, Claude Opus 5 or GPT 5.4 Nano?

▼

Both Claude Opus 5 and GPT 5.4 Nano are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Opus 5 or GPT 5.4 Nano?

▼

GPT 5.4 Nano has a lower blended cost. Claude Opus 5: $5.00 input / $25.00 output. GPT 5.4 Nano: $0.20 input / $1.25 output.

Which has a larger context window, Claude Opus 5 or GPT 5.4 Nano?

▼

Claude Opus 5 has a larger context window: Claude Opus 5 supports 1M tokens vs GPT 5.4 Nano at 400K tokens.

Do both Claude Opus 5 and GPT 5.4 Nano support vision?

▼

Yes, both Claude Opus 5 and GPT 5.4 Nano support vision/image input.

What are the key differences between Claude Opus 5 and GPT 5.4 Nano?

▼

Key differences: GPT 5.4 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 5 and GPT 5.4 Nano for free on idapt.app to see which performs better for your specific needs.

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