Grok 4.3
openrouter/x-ai/grok-4.3
302.1
median tok/s
Throughput Runs
9
TTFT Runs
6
Avg TTFT
3309ms
Avg Throughput
305.5 tok/s
Total Cost
$0.1117
Commentary
by derivedGrok 4.3 posts 302.1 tok/s median throughput with 3131ms median TTFT across 15 runs. Success rate is 100.0% with $0.11 total spend.
Startup latency on ttft-factual landed in the 3131ms range.
Startup latency on ttft-definition landed in the 3131ms range.
Sustained decode speed on throughput-data-structures contributed to the 302.1 tok/s median.
Sustained decode speed on throughput-api-design contributed to the 302.1 tok/s median.
Sustained decode speed on throughput-essay contributed to the 302.1 tok/s median.
Notable Prompts
Fastest throughput run peaked at 457.8 tok/s.
Slowest startup path took 4583ms to first token.
All Runs
| Prompt | Type | Tok/s | TTFT | Tokens | Cost | |
|---|---|---|---|---|---|---|
1. Api Design throughput-api-design | throughput | 372.4 | 30795ms | 6000 | $0.0152 | |
2. Api Design throughput-api-design | throughput | 310.0 | 16658ms | 4094 | $0.0103 | |
3. Api Design throughput-api-design | throughput | 198.1 | 4308ms | 3584 | $0.0092 | |
1. Data Structures throughput-data-structures | throughput | 289.3 | 15705ms | 4191 | $0.0107 | |
2. Data Structures throughput-data-structures | throughput | 257.9 | 15107ms | 3824 | $0.0097 | |
3. Data Structures throughput-data-structures | throughput | 302.1 | 17323ms | 4482 | $0.0113 | |
1. Essay throughput-essay | throughput | 305.1 | 19242ms | 3532 | $0.0090 | |
2. Essay throughput-essay | throughput | 257.1 | 46851ms | 5057 | $0.0127 | |
3. Essay throughput-essay | throughput | 457.8 | 51484ms | 7145 | $0.0179 | |
1. Definition ttft-definition | ttft | n/a | 3006ms | 327 | $0.0009 | |
2. Definition ttft-definition | ttft | n/a | 3041ms | 380 | $0.0011 | |
3. Definition ttft-definition | ttft | n/a | 3940ms | 383 | $0.0010 | |
1. Factual ttft-factual | ttft | n/a | 4583ms | 378 | $0.0011 | |
2. Factual ttft-factual | ttft | n/a | 2063ms | 296 | $0.0008 | |
3. Factual ttft-factual | ttft | n/a | 3220ms | 335 | $0.0009 |
15 runs · Throughput rows require valid long-output runs · TTFT shown for all successful runs