GPT-5.4 Mini (batch)
by OpenAI · openai/gpt-5.4-mini:batch · #213 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:21 PM UTC · refreshed hourly
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5Gemini 3.6 Flash
Pricing
Input
$0.375
per 1M tokens
Output
$2.25
per 1M tokens
Blended (3:1)
$0.844
3 input : 1 output
Cache read
$0.037
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for GPT-5.4 Mini (batch) with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.844 | $0.0405 | — |
| 50% | $0.717 | $0.0236 | −42% |
| 90% | $0.616 | $0.0101 | −75% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates for this provider’s batch API. Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.000862 | $0.8625 |
| Document summary | 8,000 | 1,000 | $0.00525 | $5.25 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.0158 | $15.75 |
| Long-context analysis | 150,000 | 5,000 | $0.0675 | $67.50 |
Performance
Intelligence Index
24.6
AA composite quality
Coding Index
56.1
Math Index
—
Agentic Index
19.7
Output speed
0 tok/s
median
Time to first token
0s
median
Time to first answer
0s
after reasoning tokens
Artificial Analysis benchmarks
| Benchmark | Score |
|---|---|
| GPQA Diamond | 87.5% |
| Humanity's Last Exam | 28.1% |
| SciCode | 52.1% |
| IFBench | 73.3% |
| AA-LCR (Long Context Reasoning) | 77.0% |
| Terminal-Bench Hard | 52.3% |
| Terminal-Bench 2.1 | 59.2% |
| τ²-Bench (Telecom) | 83.3% |
| τ³-Bench Banking | 25.6% |
Specs
Context window
400K
tokens
Max output
128K
tokens
Input modalities
file, image, text
Tokenizer
GPT