Best Overall Balance
Best tradeoff across quality, speed, cost, and consistency.
GPT 5.4 Mini
OpenAI
90.54
Composite score across quality, speed, cost, and reliability.
10 lanes scored
Strong all-around performance under balanced weighting.
Member Data Layer
Ophaelis Index Deep Analysis
Full ranking tables, lane-level evidence, and cost transparency details for deeper operational decisions.
Methodology and Trust Signals
- Every model is evaluated on the same benchmark inputs for each lane.
- Composite rankings combine quality, speed, cost, and reliability.
- Estimated cost uses normalized token-based pricing across providers.
- Current rankings are based on single-pass benchmark runs per cycle.
- Trend confidence increases as evaluator run history accumulates over time.
LIVE MODEL INTELLIGENCE
Ophaelis Index
Continuously measures frontier AI models across real-world benchmark lanes and re-ranks them instantly by quality, speed, cost, and reliability.
Same benchmark inputs. Public weight profiles. Transparent ranking logic.
Live benchmark intelligence surface for operational model decisions, not a static leaderboard.
Current System Verdict (Balanced Profile)
GPT 5.4 Mini
OpenAI
90.54
Composite score calculated from quality, speed, cost, and reliability under the active ranking profile.
GPT 5.4 Mini wins 7 decision areas with a typical 1.18-point margin over #2. It holds the strongest overall balance across quality, speed, cost, and reliability.
Decision Areas Evaluated
10
Limited Coverage Areas
6
Last Run
4/2/2026, 1:46:29 PM
Methodology Snapshot
- Same benchmark inputs across all models
- Rankings reweight instantly by active profile
- Scores combine quality, speed, cost, and reliability
- Active benchmark set: benchmark-run-20260402T134629Z
- Rotation cadence: Weekly with controlled overlap
Latest Run
Coverage mode: Live Benchmark
Live Benchmark lanes: 4
Limited Coverage lanes: 6
Live benchmark items: 112
Run timestamp: 4/2/2026, 1:46:29 PM
View Rankings By
Profile changes re-rank the same benchmark runs instantly.
Top Models by Decision Priority
Each perspective reorders the same benchmark outputs
Highest Output Quality
Optimized for accuracy and high-fidelity responses.
Gemini 3.1 Pro Preview
93.00
Composite score across quality, speed, cost, and reliability.
6 lanes scored
Leads when output quality is prioritized above all else.
Fastest Response
Best fit for latency-sensitive user experiences.
Gemini 3 Flash
90.95
Composite score across quality, speed, cost, and reliability.
6 lanes scored
Ranks first when turnaround speed is weighted highest.
Most Cost Efficient
Maximizes value under tight spend constraints.
Gemini 2.5 Flash Lite
93.90
Composite score across quality, speed, cost, and reliability.
4 lanes scored
Delivers top rank when efficiency and unit economics dominate.
Most Consistent Performance
Prioritizes dependable outputs across repeated runs.
Gemini 2.5 Flash Lite
93.99
Composite score across quality, speed, cost, and reliability.
4 lanes scored
Wins when reliability and operational steadiness matter most.
Performance by Decision Area
Live Benchmark areas appear first, with Limited Coverage grouped separately
Composite score calculated from quality, speed, cost, and reliability under the active ranking profile.
Live Benchmark Lanes
Longform Summarization
#1 GPT 5.4 Nano
OpenAI
94.12
+0.31
Live BenchmarkLive evaluator aggregate from 2 benchmark item(s) in this lane.
Lane ID
longform_summarization
Benchmark Anchor
SUMM-001
Benchmark Items
28
Longform Summarization
SUMM-001 | Foundation lane
Click a row to inspect ranking reason
| Model | Provider | Quality | Speed | Cost Score | Reliability | Composite Score | Change |
|---|---|---|---|---|---|---|---|
1GPT 5.4 Nano | OpenAI | 100 | 71.13 | 99.46 | 100 | 94.12 | Live run |
2Gemini 2.5 Flash Lite | 93.75 | 81.55 | 100 | 100 | 93.81 | Live run | |
3GPT 5.4 Mini | OpenAI | 100 | 71.88 | 96.98 | 100 | 93.77 | Live run |
4Grok 4 1 Fast Reasoning | Other frontier | 100 | 57.56 | 98.14 | 100 | 91.14 | Live run |
5Claude Haiku 4 5 | Anthropic | 93.75 | 69.71 | 96.34 | 100 | 90.71 | Live run |
6Mistral Medium | Other frontier | 93.75 | 65.07 | 98.03 | 100 | 90.12 | Live run |
7Grok 4.20 0309 Reasoning | Other frontier | 100 | 64.75 | 85.02 | 100 | 89.95 | Live run |
8Gemini 2.5 Flash | 100 | 50.77 | 97.98 | 100 | 89.75 | Live run | |
9Mistral Small | Other frontier | 100 | 47.89 | 99.6 | 100 | 89.50 | Live run |
10GPT 5.4 | OpenAI | 100 | 52.11 | 80 | 100 | 86.42 | Live run |
11Mistral Large Latest | Other frontier | 93.75 | 44.01 | 92.42 | 100 | 84.79 | Live run |
12Gemini 2.5 Pro | 100 | 25.1 | 90.98 | 100 | 83.22 | Live run | |
13Claude Sonnet 4 6 | Anthropic | 93.75 | 40.14 | 80.54 | 100 | 81.63 | Live run |
14Claude Opus 4 6 | Anthropic | 93.75 | 42.19 | 0 | 100 | 65.94 | Live run |
Structured Extraction
#1 Mistral Medium
Other frontier
95.03
+0.44
Live BenchmarkLive evaluator aggregate from 2 benchmark item(s) in this lane.
Classification & Routing
#1 Mistral Medium
Other frontier
77.74
+0.01
Live BenchmarkLive evaluator aggregate from 2 benchmark item(s) in this lane.
Coding & Refactoring
#1 GPT 5.4 Mini
OpenAI
94.09
+1.64
Live BenchmarkLive evaluator aggregate from 2 benchmark item(s) in this lane.
Prototype / Fallback Lanes
Constraint-Based Planning
#1 GPT-5.4 Mini
OpenAI
91.05
+1.05
Limited CoverageGPT-5.4 Mini stays competitive in Constraint-Based Planning through constraint adherence depth and stable multi-run behavior.
Professional Response
#1 GPT-5.4 Mini
OpenAI
91.40
+1.25
Limited CoverageGPT-5.4 Mini stays competitive in Professional Response through policy-safe communication quality and stable multi-run behavior.
Debugging & Root-Cause Analysis
#1 GPT-5.4 Mini
OpenAI
91.40
+1.05
Limited CoverageGPT-5.4 Mini stays competitive in Debugging & Root-Cause Analysis through root-cause depth on noisy traces and stable multi-run behavior.
Multi-Step Tool Reasoning
#1 GPT-5.4 Mini
OpenAI
91.05
+1.10
Limited CoverageGPT-5.4 Mini stays competitive in Multi-Step Tool Reasoning through tool-chain decision stability and stable multi-run behavior.
Policy / Governance Judgment
#1 GPT-5.4 Mini
OpenAI
90.85
+1.10
Limited CoverageGPT-5.4 Mini stays competitive in Policy / Governance Judgment through judgment consistency under policy edge cases and stable multi-run behavior.
Executive Synthesis & Decision Memo
#1 GPT-5.4 Mini
OpenAI
91.40
+1.05
Limited CoverageGPT-5.4 Mini stays competitive in Executive Synthesis & Decision Memo through high-stakes synthesis clarity and stable multi-run behavior.