Data points: 96
Model compare
The readout for GPT-5.4 Mini and Grok 4.6, before the detailed comparison sheet.
Weighted outcome: Grok 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Grok 4.6
Grok 4.6 has the higher weighted result; Model A / B score 20 to 80.
Evidence depth
96 data points
Includes 20 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with Grok 4.6
The charts below split 26 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for GPT-5.4 Mini and Grok 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GPT-5.4 Mini | Grok 4.6 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 20.0 pts | 80.0 pts |
| Benchmark category leads | 0 categories | 4 categories |
| Operational advantages | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage | No data |
| Context window | 400K tokens | 500K tokens |
| Max output | 128K tokens | No data |
| Modalities | Input FileImageText Output Text |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GPT-5.4 Mini | Grok 4.6 |
|---|---|---|
| Developer | OpenAI | SpaceXAI |
| Released | Mar 2026 | Aug 2026 |
| Parameters | No data | No data |
| Tokenizer | GPT | Grok |
| Knowledge cutoff | 2025-08-31 | No data |
| OpenRouter ID | openai/gpt-5.4-mini | x-ai/grok-4.6 |
| References | No data | No data |
This report only uses LMSpeed data for GPT-5.4 Mini and Grok 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GPT-5.4 Mini
GPT-5.4 Mini has these operational advantages: Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage.
Grok 4.6
Grok 4.6 leads these benchmark categories: Agents, Coding, Reasoning, Knowledge.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5.4 Mini
51.7
Avg. score
Grok 4.6
60.6
Grok 4.6 leads by 11.1
Grok 4.6 leads by 2.9
Grok 4.6 leads by 4.2
Grok 4.6 leads by 13.0
GPT-5.4 Mini
No data
GPT-5.4 Mini
GPT-5.4 Mini
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5.4 Mini
winner$0.750/M
Rank #103/178 · confidence 4
Grok 4.6
$2.00/M
Rank #137/178 · confidence 4
GPT-5.4 Mini
winner$1.69/M
Rank #106/178 · confidence 4
Grok 4.6
$3.00/M
Rank #125/178 · confidence 4
GPT-5.4 Mini
winner$4.50/M
Rank #116/178 · confidence 4
Grok 4.6
$6.00/M
Rank #119/178 · confidence 4
GPT-5.4 Mini
82.3%
Rank #79/208 · confidence 4
Grok 4.6
winner94.9%
Rank #1/208 · confidence 4
GPT-5.4 Mini
18.6%
Rank #82/206 · confidence 4
Grok 4.6
winner42.9%
Rank #15/206 · confidence 4
GPT-5.4 Mini
10.0
Rank #28/82 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner17.1
Rank #16/82 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
73.0
Rank #37/99 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner75.0
Rank #26/99 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
18.3
Rank #16/25 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner58.3
Rank #1/25 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
56.1
Rank #30/69 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner76.8
Rank #3/69 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
44.2%
Rank #48/202 · confidence 4
Grok 4.6
winner53.6%
Rank #13/202 · confidence 4
GPT-5.4 Mini
49.9
Rank #29/107 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner53.6
Rank #15/107 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
87.5
Rank #41/107 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner94.9
Rank #1/107 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
40.9
Rank #39/110 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner60.9
Rank #3/110 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
28.1
Rank #49/107 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner42.9
Rank #12/107 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
37.5
Rank #39/100 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner48.2
Rank #15/100 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
winner90.2
Rank #18/100 · confidence 3 · eval date 2026-03-17
Grok 4.6
34.3
Rank #90/100 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
31.5
Rank #25/63 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner58.7
Rank #2/63 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
33.6
Rank #32/60 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner62.5
Rank #2/60 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
1172.0
Rank #33/66 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner1753.0
Rank #2/66 · confidence 1 · eval date 2026-08-12
GPT-5.4 Mini
55.9
Rank #40/67 · confidence 3 · eval date 2026-03-17
Grok 4.6
winner88.9
Rank #5/67 · confidence 1 · eval date 2026-08-12
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 Mini | Grok 4.6 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5.4 Mini | Grok 4.6 |
|---|---|---|
5 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | Grok 4.6 speed / latency 97 tok/s / 10460ms input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | Grok 4.6 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | Grok 4.6 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | Grok 4.6 speed / latency N/A / N/A input / output No data |
0 tests | GPT-5.4 Mini speed / latency N/A / N/A input / output No data | Grok 4.6 speed / latency N/A / N/A input / output No data |
GPT-5.4 Mini gpt-5.4-mini speed / latency No data input / output $0.367/M/$2.21/M | Grok 4.6 grok-4.6 speed / latency No data input / output $0.375/M |
Weighted outcome: Grok 4.6. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
