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DeepSeek V3.1

DeepSeek V3.1 hybrid model combining V3 and R1 capabilities with 128K context.

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Input price
$0.638
Output price
$1.848
Context
128K
Max output
16K
141 (#71 of 79)
1420
—
Released
2025-08-30
InputTextOutputText

Providers

Providers that serve this model. With Auto, each request goes to the best available provider. Prices in USD per 1M tokens; stats cover the last 30 days.

Pricing

All prices for this model, by service tier.

ItemStandardPriorityFlex
Inputper 1M tokens$0.638$1.1165$0.319
Outputper 1M tokens$1.848$3.234$0.924
Cache readper 1M tokens$0.0638$0.111652$0.0319

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Runs on your balance and is billed like any API request.

Try one

Later turns reuse the provider’s prompt cache, which can lower cost and latency.

The answer streams in here.

Billed by usage

Similar models

Other models with the same output types at a similar price.

  • Better value: more capable, lower price
  • Pareto frontier
  • This model
  • Similar models

Capability scores are from Epoch AI’s Epoch Capabilities Index (CC BY 4.0, as of 2026-11-10), which combines dozens of benchmarks with GPT-5 set at 150. epoch.ai/eci

Price: our current input price per 1M tokens in USD, lowest across channels. Dated snapshots and resold copies of the same model are merged into one point; free models are not shown.

Shaded area: capability above and price below the median of all models. Pareto frontier: no other model is both cheaper and more capable.

DeepSeek V3.1This model
141
Input
$0.638
Output
$1.848
156
Input
$0.636–$1.452
Output
$1.908–$4.356
146
Input
$0.6424–$1.10
Output
$2.8908–$3.52
146
Input
$0.66
Output
$2.75
159
Input
$0.675
Output
$3.375

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-11-09): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text