R1 0528
DeepSeek · Mid
May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...
Input / 1M
$0.5
Output / 1M
$2.15
Cached input / 1M
$0.35
Context window
163K
Where it sits
171st-cheapest mid model
by blended $/Mtok among 262 listed mid models
60% above the mid median
blended $/Mtok across 262 mid models
Output costs 4.3× input
$0.5 in / $2.15 out per 1M
Cached input saves 30%
$0.35 vs $0.5 per 1M fresh
Held flat since launch (Jun 2026)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 11 Jun 2026 | $0.5 | $2.15 | $0.35 | Imported from OpenRouter | openrouter.ai |