DeepSeek V3.1

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

Input price
$0.638–$0.66
Output price
$1.848–$1.87
Context
128K
Max output
16K
Modalities
InputTextOutputText
140 (#70 of 89)
1420
—
Released
2025-08-30
Knowledge cutoff
—
Try in ChatCompare

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

Prices vary by provider. Showing Amazon Bedrock, the lowest. Pick a provider above to see its prices.

Input
$0.638
per 1M tokens
Output
$1.848
per 1M tokens
Cache read
$0.0638
per 1M tokens

Make a request

Set your provider preferences, then copy the request. It reads your API key from OHMYGPT_API_KEY.

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

Providers
curl https://api.ohmygpt.com/v1/chat/completions \
  -H "Authorization: Bearer $OHMYGPT_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v3.1",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

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 2026-11-02), 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
140
Input
$0.638–$0.66
Output
$1.848–$1.87
DeepSeek V4 Pro 0813
156
Input
$0.636–$1.314
Output
$1.908–$3.942
GLM-5
146
Input
$0.6424–$1.10
Output
$2.8908–$3.52
Llama 3.3 70B Instruct
—
Input
$0.649–$0.935
Output
$0.792–$1.32
GPT Realtime 2.1 Mini
—
Input
$0.66
Output
$2.64

Human preference ratings are from the LMArena Text Arena (CC BY 4.0, as of 2026-10-28): Elo ratings from blind votes, on a different scale from capability scores. lmarena.ai/leaderboard/text