OpenAI · model passport
OpenAI: GPT-5.4 Mini
gpt-5-4-mini- Cloud only
- Proprietary licence
- 400,000 context
- Released 2026-10-09(first seen on LMArena)
- Overall · LMArena
- 1,447#75 of 396
- Best percentile
- 88.6IFBench (Artificial Analysis)
- Cohort standing
- 65.6median 60.6
What the data says
Benchmarked on 15 of 27 tracked axes. Every figure below is the model's own published result on that board.
Strongest axes
- 88.6 pct — IFBench (Artificial Analysis) (73.3%)
Uneven: 65.4 percentile points between its best and worst axis — 88.6 pct on IFBench (Artificial Analysis) versus 23.2 pct on SimpleQA Verified.
- IFBench (Artificial Analysis)88.6 pct73.3%Verify →
- HHEM Hallucination (Vectara)83.8 pct94.5%Verify →
- Hard prompts81.6 pct1,469Verify →
- Overall81.3 pct1,447Verify →
- Instruction following80.1 pct1,434Verify →
- Coding79.8 pct1,495Verify →
- LiveBench75.9 pct66.4%Verify →
- FrontierMath72.5 pct28.3%Verify →
- GPQA Diamond71.9 pct86.9%Verify →
- Vision Arena70.7 pct1,251Verify →
- AIME (math)70.5 pct88.9%Verify →
- Factuality Arena61.6 pct1,447Verify →
- ARC-AGI-251.7 pct18.9%Verify →
- WebDev Arena38.1 pct1,398Verify →
- SimpleQA Verified23.2 pct29.4%Verify →
- Search ArenaNot benchmarked
- Document ArenaNot benchmarked
- Agent ArenaNot benchmarked
- Humanity's Last ExamNot benchmarked
- SimpleBenchNot benchmarked
- BFCL v4 (function calling)Not benchmarked
- SWE-bench Verified (live board)Not benchmarked
- Terminal-Bench 4.0Not benchmarked
- MMLU-Pro (Artificial Analysis)Not benchmarked
- LiveCodeBench (Artificial Analysis)Not benchmarked
- SWE-bench VerifiedNot benchmarked
- Terminal-BenchNot benchmarked
Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.
How to run it
Use it hosted
openai/gpt-5.4-miniAPI parameters this endpoint supports
Example request
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"openai/gpt-5.4-mini","messages":[{"role":"user","content":"Hello"}]}'Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.
gpt-5.4-mini-high stands at 65.6 (raw mean 68.7) — measured on 15 of 27 axes.
gpt-5.4-mini-high stands at 65.6 versus a cohort median of 60.6 across 171 models released within 180 days — above the peer median.
gpt-5.4-mini-high scores at percentile 88.6 on IFBench (Artificial Analysis).
gpt-5.4-mini-high ranks between #75 and #180 across 6 built-in weightings — best under "Reasoning", worst under "Coding-focused".
Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →