GPT-4o (2024-08-06) vs GPT-5.4 Nano, API pricing and model comparison

Compare GPT-4o (2024-08-06) vs GPT-5.4 Nano side by side by input/output token price, context window, benchmark signals, capabilities, and example monthly API cost.

Quick comparison summary

This page compares GPT-4o (2024-08-06) vs GPT-5.4 Nano in one matrix. Current records: GPT-4o (2024-08-06) on OpenRouter: $2.5/$10 per 1M tokens, 128K context window; GPT-5.4 Nano on OpenRouter: $0.2/$1.25 per 1M tokens, 400K context window. Prices are estimates—verify official provider pages before production use.

GPT-4o (2024-08-06)

openai/gpt-4o-2024-08-06

OpenRouter

Input: $2.50 / 1M
Output: $10.00 / 1M
Context: 128k
Model page: Details

GPT-5.4 Nano

openai/gpt-5.4-nano

OpenRouter

Input: $0.2000 / 1M
Output: $1.25 / 1M
Context: 400k
Model page: Details

Comparison matrixLLM Table

Models to compare2/4

Model 1

128K

Select model344 models

Model 2

400K

Select model344 models

OpenAI: GPT-4o (2024-08-06)

OpenRouter

Input

$2.50 / 1M

Output

$10.00 / 1M

Context

128K

Monthly cost

$550.00

Benchmark

1,119LMArena Vision Arena

VisionToolsJSONLong context

OpenAI: GPT-5.4 Nano

OpenRouter

Cheapest (this scenario)

Input

$0.2000 / 1M

Output

$1.25 / 1M

Context

400KLargest context

Monthly cost

$57.50

Benchmark

1,200Top benchmarkLMArena Vision Arena

VisionToolsJSONReasoningLong context

OpenAI: GPT-4o (2024-08-06)

OpenRouter

OpenAI: GPT-5.4 Nano

OpenRouter

Input

$2.50 / 1M

$0.2000 / 1MCheapest (this scenario)

Output

$10.00 / 1M

$1.25 / 1MCheapest (this scenario)

Context

128K

400KLargest context

Benchmark

1,119

LMArena Vision Arena

1,200Top benchmark

LMArena Vision Arena

Monthly cost

$550.00

$57.50Cheapest (this scenario)

Capabilities

VisionToolsJSONLong context

VisionToolsJSONReasoningLong context

FAQ

Model comparison notes

How do GPT-4o (2024-08-06) vs GPT-5.4 Nano API prices compare?

Compare input and output prices per 1M tokens side by side. The same underlying model can list different prices by route (Direct API vs OpenRouter); this table uses the selected route records.

Which model looks cheaper?

Scenario cost depends on your input/output mix. The example monthly cost in the table uses default token volumes—adjust with the cost calculator for your traffic.

Are benchmark scores included?

Independent or provider-reported benchmark signals appear when available. Benchmarks do not replace price analysis—evaluate both for your quality requirements.

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