Models / DeepSeek

DeepSeek-V4.1-Flash

Gets 94 of every 100 tool calls right on the public test. Steady whether it is calling one tool, choosing between tools, or making several calls at once.

Open weights · MITby DeepSeekReleased Sep 10, 2026Tested on Tīrtha Bench

DeepSeek-V4.1-Flash is made by DeepSeek. It takes text and images, with a context window of 1M tokens. On Tīrtha it takes text.

Start using DeepSeek-V4.1-Flash in 3 steps

Read the docs
  1. Get an API keyFree to create. It works for every model in the catalogue.Get an API key
  2. Add creditsPay as you go. Credits work on every model.Add credits
  3. Point your client at TīrthaAny OpenAI-compatible client works. Use your key and this base URL, and name the model.
    base_url: "https://api.tirtha.ai/v1" api_key: "YOUR_TIRTHA_KEY" model: "catalog/deepseek-v4.1-flash"

At a glance

MakerDeepSeek
Acceptstext + image
Context1M tokens
Max output16,384 tokens
LicenceMIT
ReleasedSep 10, 2026

Tested on Tīrtha Bench

Tool calling (public BFCL v4 test)

Overall: 93.6%*. Picks the right tool and fills in the inputs correctly on 94 of every 100 tasks.

One tool 95% · Picking the right tool 92% · Several calls at once 94%

A task counts as right only if the model calls the right tool with the right inputs. 800 tasks. Run on Oct 29, 2026. *Measured by Spanda Works on third-party hosts, not through Tīrtha. Results through Tīrtha may differ.

Handled several calls at once in our tests.

See DeepSeek-V4.1-Flash beside every other model on Tīrtha Bench →

What it supports

From the maker

Facts here are read from the maker's published card; claims and benchmarks on that card are the maker's own, not measured by Tīrtha.

Licence

Weights: MIT. Read the licence.