DeepSeek V4 Flash (Free)

deepseek/deepseek-v4-flash-free
FREE
ToolsJSONReasoning
by DeepSeek

DeepSeek V4 Flash efficient MoE — 284B total / 13B active params, 1M context, optimized for fast everyday workloads.

Endpoints:/v1/chat/completions
ctx1M tokens
Max output384K
Inputtext
p50 TTFT471 ms
PRICEFreerate-limited · model usage at $0
p50 TTFT471 ms7d
p95 TTFT1.62 s7d
TRAFFIC9033.5Mtokens / 7d
Get the DeepSeek V4 Flash (Free) API →▶ Try in playground</> Use via API

Code samples

Call from any SDK

OpenAI-compatible — keep the SDK you already use

  • OpenAI SDKhttps://api.orcarouter.ai/v1
import os

from openai import OpenAI

client = OpenAI(
    base_url="https://api.orcarouter.ai/v1",
    api_key=os.environ["ORCAROUTER_API_KEY"],
)

response = client.chat.completions.create(
    model="deepseek/deepseek-v4-flash-free",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

Supported parameters

  • include_reasoning
  • logprobs
  • max_tokens
  • reasoning
  • response_format
  • stop
  • stream
  • stream_options
  • temperature
  • thinking
  • tool_choice
  • tools
  • top_logprobs
  • top_p
  • user_id

Pricing

$0
Per request$0
BillingModel usage is never charged to your balance
Over the limitHTTP 429 when a limit is hit

Need it without the limits? deepseek/deepseek-v4-flash·How free-tier limits work →

Performance

last 7 days
p50 TTFT
471 ms
Output speed
121 tok/s
p95 TTFT
1.62 s
Error rate
8.8%

Public benchmarks

Last evaluated 2026-07-31
69.1
AA Coding
Better than 79% of models compared
#28 of 138
40.8
AA Intelligence
Better than 71% of models compared
#39 of 140
50.0
AA Math
Better than 26% of models compared
#61 of 82
GPQA Diamond
90.8
Humanity's Last Exam
38.6
IFBench
79.2
Long-Context Recall
79.7
MMLU-Pro
57.0 index
SciCode
50.3
tau_banking
39.4
TerminalBench Hard
35.6
terminalbench_v2_1
78.7
τ²-Bench
95.0
Source: artificialanalysis.ai

Community buzz

What developers are saying this week

Hacker News1 mentions · 7dup 1 vs the previous week

Browse AI model comparisons →

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FAQ

How much does DeepSeek: DeepSeek V4 Flash (Free) cost on OrcaRouter?
DeepSeek: DeepSeek V4 Flash (Free) is priced at $0.0000 per request via OrcaRouter (flat per-call fee, charged per generation rather than per token).
What is DeepSeek: DeepSeek V4 Flash (Free)'s context window?
DeepSeek: DeepSeek V4 Flash (Free) supports a context window of 1M tokens. Use long-context features (RAG, summarisation) up to that limit.
How do I call DeepSeek: DeepSeek V4 Flash (Free) via the OpenAI SDK?
Set OpenAI base_url to https://api.orcarouter.ai/v1, supply your OrcaRouter API key, and pass model="deepseek/deepseek-v4-flash-free" in the chat.completions.create call.
Does OrcaRouter rate-limit DeepSeek: DeepSeek V4 Flash (Free)?
Per-model rate limits follow your OrcaRouter plan. Free tiers ship with conservative caps; paid tiers lift them. Check /pricing for current quotas.

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Model card as data

GET /api/public/models/deepseek/deepseek-v4-flash-freeOpen
Machine-readable:/llms.txt/llms-full.txt