Gemini 2.5 Flash is Google cost-optimized model offering remarkable performance per dollar. At just $0.15/$0.60 per MTok with a 1M token context window, it delivers arena scores rivaling models that cost 50x more. Flash is ideal for high-volume applications, chatbots, and use cases where latency and cost matter more than peak reasoning ability.
| Benchmark | Score |
|---|---|
| Arena Elo (LMArena) | 1418 |
| Context Window | 1M |
| Price (input/output) | $0.15/$0.60 |
Daily tokens (prompt + completion) routed to Gemini 2.5 Flash on OpenRouter, from Jun 20 to Sep 2, from our own stored daily snapshots. Reflects OpenRouter API demand only. See all models →
| Date | Prompt /MTok | Completion /MTok |
|---|---|---|
| 2026-07-29 | $0.3 → $0.15 | $2.5 → $1.25 |
| 2026-08-01 | $0.15 → $0.3 | $1.25 → $2.5 |
| 2026-08-07 | $0.3 → $0.15 | $2.5 → $1.25 |
Changes observed across 76 daily OpenRouter catalog snapshots since Jun 19, 2026.