LMFinder
G

GPT-5.4 Nano

Reviewed 2026-06-27
OpenAIopenai/gpt-5.4-nano
Context
400K
Price
$0.2/$1.25
Tooling
3/5
Deploy
Cloud API

Best for

  • Long documents (~400K context)
  • Cost-sensitive, high-volume workloads

Skip if

  • You need open weights to self-host

Capability scores

Tool calling3/5
Multi-step reasoning2/5

Specifications

Context window
400K tokens
VRAM
N/A (cloud-hosted)
License
proprietary
Pricing
$0.2/M input · $1.25/M output
Deployment
Cloud API

Our take

GPT-5.4 Nano from OpenAI offers a 400K-token context window and is well-suited to long-context work. Pricing is $0.2/M input · $1.25/M output, billed per token through the provider API.

Watch for the trade-offs: weights are closed, so you cannot self-host.

Compare to

DeepSeek V4 Flash
DeepSeek
1.05M context · $0.09/M input · $0.18/M output
Gemini 3.1 Flash Lite
Google
1.05M context · $0.25/M input · $1.5/M output
Llama 4 Scout
Meta
10M context · $0.1/M input · $0.3/M output

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