SPACEXAI
4/5 workers samplingPOSSIBLE_MODEL_CHANGE · gpt-5
OpenAI · 2026-02-11

GPT-5 Mini

128k context · no reasoning · multimodal · tools · closed

Capability
78.9
Coding
79.1
Agents
58.6
Science
79.8
TTFT
240 ms
p50, US-East, streaming
Output speed
160 tok/s
p95 latency
5.10 s
Availability
99.93%
Cost/task
$0.014
Cost/correct task
$0.020
30-day regressions
1
Measured runs
19,880
Last tested 7 min ago
LIVE_MEASUREDEWR 8.50 · human_io 0
TTFT spark · primary endpoint

Category scores

  • Math76.2
  • Reasoning77.4
  • Coding79.1
  • Agents58.6
  • Multimodal81.5
  • Science79.8
  • Long context84.0
  • Private tasks64.2

Serving stacks

Reliability on OpenAI API: invalid JSON 4.6% · broken tools 0.7% · replay 91.2%
BenchmarkScore$/taskMedian sEvidence
GPQA Diamond
public · n=198
71.4$0.00315.1LIVE_MEASURED
SWE-bench Verified
public · n=500
61.2$0.00444.9LIVE_MEASURED
Terminal Bench
public · n=80
36.8$0.004414.7LIVE_MEASURED
OSWorld
public · n=369
28.1$0.004414.3LIVE_MEASURED
FrontierMath
public · n=300
12.4$0.00314.2LIVE_MEASURED
LiveCodeBench
public · n=612
72.6$0.00445.1LIVE_MEASURED
MMMU
public · n=1730
78.2$0.00315.2LIVE_MEASURED
LongContext-128k
public · n=120
84.0$0.00315.3LIVE_MEASURED
GBU Private Rotating — Sep 2026
private · n=240
64.2$0.00315.0LIVE_MEASURED
Agent Episodes
public · n=96
58.6$0.004415.7LIVE_MEASURED
Structured JSON
public · n=400
88.4$0.00315.3LIVE_MEASURED
CAD Science Lab
public · n=64
52.1$0.00314.8LIVE_MEASURED