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GPT-5.4 (batch)

ModelActive
by OpenAI · family “gpt-batch”

GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for... (description from the OpenRouter listing)

in: textin: imagein: fileout: textReasoningTool useStructured output
Epoch Capabilities Index
Not scored by Epoch AI
Listing ↗
Released
5 Mar 2026
Context window
1.05M tokens
Max output
128K tokens
Input $ / 1M tokens
$1.25
Output $ / 1M tokens
$7.50
Cached input $ / 1M
$0.13
Each benchmark shown separately with its own source

Benchmark results (0)

All benchmarks
No benchmark results recorded for this model.

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

API list price over time

Price history

$ per 1M tokens

2 recorded prices on 2 Sep 2026 (OpenRouter listing + Internet Archive snapshots); re-read on every data refresh, most recently 11h ago. Steps show when the price changed.

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