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GPT 5.4 Nano vs Claude Sonnet 5

At a glance

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

79400K ctx$0.20/$1.25 per M#29/92

Anthropic's fifth-generation Sonnet — near-Opus intelligence at Sonnet speed and price.

801M ctx$2.00/$10.00 per M#26/92
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
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper88%
Capability
CapabilityECI78.7
Reasoning & Knowledge
Graduate Science78.5%Factual Recall12.0%
Math
Competition Math87.8%Research Math25.9%
Agentic
Novel Reasoning5.7%
Reasoning
CI 72.7-84.7Provisional
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Smarter2%
Capability
CapabilityECI2%80.1
Reasoning & Knowledge
Graduate Science15%90.5%Factual Recall108%25.0%
Math
Competition Math8%94.7%Research Math—
Agentic
Novel Reasoning—
Specs
400K
Context
128K
Max output
Mar 2026
Released
1M
Context
128K
Max output
Jun 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input90%$0.20/M tokens
Output88%$1.25/M tokens
Cache read90%$0.02/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.20/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Chat with GPT 5.4 NanoGo to model
Chat with Claude Sonnet 5Go to model
Frequently Asked Questions: GPT 5.4 Nano vs Claude Sonnet 5▼

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

▼

Based on the Capability Index, Claude Sonnet 5 scores higher (80.1 vs 78.7). However, "better" depends on your use case — pricing, speed, context window, and specific capability needs all matter.

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

▼

GPT 5.4 Nano has a lower blended cost. GPT 5.4 Nano: $0.20 input / $1.25 output. Claude Sonnet 5: $2.00 input / $10.00 output.

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

▼

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

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

▼

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

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

▼

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 GPT 5.4 Nano and Claude Sonnet 5 for free on idapt.app to see which performs better for your specific needs.

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