Observed 2026-06-03 11:12. Prices are USD per 1M tokens (from OpenRouter public pricing). Input: OpenAI o3 $2 / Gemini 2.5 Pro $1.25, output: $8 / $10.
✓ = the mechanically better side per row (cheaper price / longer context). Magnitude only, not a rating.
| Field | OpenAI o3 openai/o3 | Gemini 2.5 Pro google/gemini-2.5-pro |
|---|---|---|
| Input priceUSD/1M | $2 | $1.25✓ |
| Output priceUSD/1M | $8✓ | $10 |
| Cache readUSD/1M | $0.5 | $0.125✓ |
| Context windowtokens | 200k | 1,048.576k✓ |
Source: OpenRouter /api/v1/models → collect_prices.py → Source(price)。 · OpenAI o3: openai/o3 · Gemini 2.5 Pro: google/gemini-2.5-pro
Aggregated observations, not predictions. Prices change (observation time noted). © TraceBottle for AI
As observed on 2026-06-03 11:12, input is OpenAI o3 $2 / Gemini 2.5 Pro $1.25 per 1M tokens — Gemini 2.5 Pro is cheaper. Output is $8 / $10 — OpenAI o3 is cheaper.
OpenAI o3: 200,000 tokens, Gemini 2.5 Pro: 1,048,576 tokens (observed 2026-06-03 11:12).
Observed 2026-06-03 11:12 (UTC). Source: OpenRouter public pricing (/api/v1/models). Prices change — check each provider's official pricing for the latest. This site publishes only observed values, never predictions.