GPT-5.4 (xhigh) API Pricing

OpenAI · released 2026-03-05 · merges 3 reasoning-effort tiers

Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: GPT-5.4 (xhigh), GPT-5.4 (low), GPT-5.4 (Non-reasoning).

Pricing

$2.50
input / 1M tokens
0.250¢ / 1K
$15.00
output / 1M tokens
1.50¢ / 1K
$5.625
blended / 1M tokens
0.562¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.575¢
RAG query4,000 in / 500 out$0.0175
Long document summary50,000 in / 1,000 out$0.1400
Code review of a 2k-line file30,000 in / 2,000 out$0.1050
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$172.50

Cost = (input tokens ÷ 1,000,000 × $2.50) + (output tokens ÷ 1,000,000 × $15.00).

Benchmarks

39.0
Intelligence
#25 of 533
71.1
Coding
#26 of 197
Math
Tokens/sec
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
Qwen3.8-Flash-Next39.8$0.23
GLM 5.3 Flash41.8$0.237
GPT-5.6 Luna (max)37.3$0.45
DeepSeek V4.1 Flash (Reasoning, Max Effort)39.5$0.525
Gemini 3.8 Flash (high)40.9$1.50

Leaderboard neighbours

ModelIntelligenceBlended $/1M
Gemini 3.7 Flash (medium)39.6$1.50
Muse Spark 1.2 (xhigh)39.6$2.00
DeepSeek V4.1 Flash (Reasoning, Max Effort)39.5$0.525
GPT-5.4 (xhigh)39.0$5.625
Grok 4.5 (high)38.8$3.00
GPT-5.5 (xhigh)38.4$11.25
Claude Sonnet 5 (Adaptive Reasoning, Max Effort)38.2$4.00

More from OpenAI

ModelIntelligenceBlended $/1M
GPT-6 Astra (max)52.7$20.00
GPT-5.6 Sol (max)47.0$8.00
GPT-5.6 Terra (max)42.1$4.50
GPT-5.5 (xhigh)38.4$11.25
GPT-5.6 Luna (max)37.3$0.45
GPT-5.3 Codex (xhigh)32.5$4.813
GPT-5.2 (xhigh)30.4$4.813
GPT-5.2 Codex (xhigh)28.5$4.813

Count tokens & estimate cost for GPT-5.4 (xhigh) See GPT-5.4 (xhigh) on the leaderboard

Source: Artificial Analysis · last synced 2026-09-22

FAQ

Who develops GPT-5.4 (xhigh)?

GPT-5.4 (xhigh) is developed by OpenAI, released 2026-03-05.

How much does GPT-5.4 (xhigh) cost per million tokens?

GPT-5.4 (xhigh) costs $2.50 per 1M input tokens and $15.00 per 1M output tokens ($5.625 blended), per Artificial Analysis's official pricing data.

How does GPT-5.4 (xhigh) rank on benchmarks?

GPT-5.4 (xhigh) scores 39.0 on the Artificial Analysis Intelligence Index, ranking #25 of 533 models we track.

Is there a cheaper model with similar intelligence to GPT-5.4 (xhigh)?

Yes — Qwen3.8-Flash-Next scores similar intelligence (39.8) at $0.23/1M blended, versus $5.625/1M for GPT-5.4 (xhigh).

Where does this data come from?

Pricing and benchmark data for GPT-5.4 (xhigh) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.