GPT-5.4

OpenAILegacy

Input price
$2.50
Per 1 million tokens (USD)
Output price
$15.00
Per 1 million tokens (USD)
Effort levels
5total
Default: None
Benchmark results
1total
Benchmark types: 1

Model information

API model ID
gpt-5.4
release date
Unknown
effort
None (default) / Low / Med / High / Xhigh
Effort source
Based on "Reasoning.effort supports: none (default), low, medium, high and xhigh." on the OpenAI model page (developers.openai.com/api/docs/models/gpt-5.4, retrieved 2026-11-13).
Claude Code
unknown
Codex
unknown
Availability notes
Not collected (the official model list for Claude Code and the one for Codex were not checked this time).

Price (USD per 1 million tokens)

Prices do not vary by effort; token consumption does.

input$2.50
output$15.00
cache read$0.25
cache write—

Prompts with more than 272K input tokens are charged at 2x input and 1.5x output (page note).

Input $2.50 Cached input $0.25 Output $15.00

Source: https://developers.openai.com/api/docs/models/gpt-5.4

Benchmark results

BenchmarkeffortScoreSource cost (metric)measured/reported bysourceConditions and extraction method
τ²-bench banking_knowledge (v1.0.1)XhighXhigh39.4%$1.84Average cost in USD to run one trajectory in this domainSierraτ²-bench leaderboard submission gpt-5-4_sierra_2026-03-25 (sierra-research/tau2-bench, MIT)third-party · Retrieved 2026-11-13τ²-bench leaderboard submission gpt-5-4_sierra_2026-03-25 (submission_type standard, tau2_bench_version 1.0.1). Submitter "Sierra", model_organization "OpenAI": Run by Sierra, which operates τ²-bench (third-party measurement). Verified on the leaderboard (trajectories available, prompts not modified, no questions omitted). The value is pass^1 (%). reasoning_effort "xhigh". User simulator gpt-5.2 (reasoning_effort low). Search configuration retrieval_config "alltools". Evaluation date 2026-05-06. Notes summary: rescored on 2026-07-15 following a scoring correction in v1.0.1; 4 trial runs; seed 300.transcribed from table
Source excerptbanking_knowledge.pass_1=39.43; banking_knowledge.cost=1.8423Location In submissions/gpt-5-4_sierra_2026-03-25/submission.json: results.banking_knowledge.pass_1 (line 26 of file), results.banking_knowledge.cost (line 30). model_name "GPT-5.4". methodology.notes (line 38)

Related rankings

References