Model comparison
GPT-5.4 Pro vs GPT-5 mini
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-5.4 Pro #44 (Estimated); GPT-5 mini #153 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-5.4 Pro and GPT-5 mini share 0 comparable benchmark results. 0 of 8 categories are comparable. 12 results are unique to GPT-5.4 Pro; 1 to GPT-5 mini.
Updated July 23, 2026- Shared results
- 0
- GPT-5.4 Pro only
- 12
- GPT-5 mini only
- 1
- Comparable categories
- 0 / 8
Benchmark data for GPT-5.4 Pro and GPT-5 mini is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
GPT-5.4 Pro is priced at $30.00 input / $180.00 output per 1M tokens, versus $0.25 input / $2.00 output per 1M tokens for GPT-5 mini. GPT-5.4 Pro has the larger context window at 1.05M, compared with 128K for GPT-5 mini.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.4 Pro | GPT-5 mini | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.4 Pro$30 input / $180 output | GPT-5 mini$0.25 input / $2 output | GPT-5 mini has the lower combined listed price. |
| Generation speedtokens per second | GPT-5.4 Pro74 tok/s | GPT-5 mini86 tok/s | GPT-5 mini has the higher measured throughput. |
| First-answer latencyseconds to first token | GPT-5.4 Pro151.79 s | GPT-5 mini65.32 s | GPT-5 mini reaches the first token sooner. |
| Context windowmaximum listed tokens | GPT-5.4 Pro1.05M | GPT-5 mini128K | GPT-5.4 Pro lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | GPT-5.4 Pro | GPT-5 mini | Result |
|---|---|---|---|
| BrowseCompSource | 89.3% | — | Not comparable |
Coding1 benchmarks
| Benchmark | GPT-5.4 Pro | GPT-5 mini | Result |
|---|---|---|---|
| Vibe Code BenchSource | — | 14.17% | Not comparable |
Reasoning2 benchmarks
Knowledge4 benchmarks
Math4 benchmarks
Multimodal1 benchmarks
| Benchmark | GPT-5.4 Pro | GPT-5 mini | Result |
|---|---|---|---|
| MMMU-ProSource | 94% | — | Not comparable |
Frequently Asked Questions (3)
Can I compare GPT-5.4 Pro and GPT-5 mini on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for GPT-5.4 Pro and GPT-5 mini today?
GPT-5.4 Pro: $30.00 input / $180.00 output per 1M tokens GPT-5 mini: $0.25 input / $2.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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