Quality
Known Good Index and the capability indices, side by side
Each index is min-max normalised across tracked models and scaled 0–100 from published evaluations. We do not run these evaluations.
| Metric | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini |
|---|---|---|
| Known Good Index | 83 | 82 |
| Coding Index | 77 | — |
| Mathematics Index | 93 | 88 |
| Science Index | 86 | 78 |
| Reasoning Index | — | 85 |
| Agentic Index | 77 | — |
| Openness Index | 5 | 5 |
Quality Breakdown
Every evaluation both models report a published score for
Bar = Google: Gemini 3 Flash Preview · marker = OpenAI: o3 Mini · scores ingested from Epoch AI (CC-BY 4.0)
Right-hand figures read Google: Gemini 3 Flash Preview / OpenAI: o3 Mini. Google: Gemini 3 Flash Preview leads on 2 of 2, OpenAI: o3 Mini on 0.
Arena Elo
Human preference rating from blind pairwise votes
Elo from blind pairwise votes, ingested from Arena. Higher is better.
| Metric | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini |
|---|---|---|
| Text Arena | — | 1,319 |
| Text Arena (style controlled) | — | 1,348 |
Price & Cost
Published API pricing by token type
USD per 1M tokens. Blended is a 3:1 input:output mix. Live from OpenRouter, cross-checked against models.dev. Lower is better.
| Metric | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini |
|---|---|---|
| Input $/1M | $0.50 | $1.10 |
| Output $/1M | $3.00 | $4.40 |
| Blended $/1M | $1.12 | $1.93 |
| Cache read $/1M | $0.050 | $0.550 |
Context Window
Maximum input accepted and maximum output emitted
Provider-declared limits, from metadata via models.dev and OpenRouter. Higher is better.
| Metric | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini |
|---|---|---|
| Context window | 1.05M | 200k |
| Max output tokens | 66k | 100k |
Speed & Latency
Median throughput and time to first token across hosting providers
Medians across all tracked providers, derived from OpenRouter endpoint telemetry.
| Metric | Google: Gemini 3 Flash Preview | OpenAI: o3 Mini |
|---|---|---|
| Output tokens/s | 89 | 132 |
| Time to first token | 2.0s | 3.2s |
Providers
Which hosts serve each model, and at what price and speed
| Provider | Google: Gemini 3 Flash Preview blended | Google: Gemini 3 Flash Preview tok/s | OpenAI: o3 Mini blended | OpenAI: o3 Mini tok/s |
|---|---|---|---|---|
| Google · first party | $0.56 | 85 | — | — |
| Google AI Studio | $0.56 | 60 | — | — |
| OpenAI · first party | — | — | $1.93 | 127 |
Per-host pricing and telemetry from OpenRouter. A dash means that host does not serve that model.