compare/Deepseek-V4-Flash-0731vsDeepSeek-V4-Pro

Deepseek-V4-Flash-0731 vs DeepSeek-V4-Pro

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 Deepseek-V4-Flash-0731
deepseek/deepseek-v4-flash-0731
DeepSeek-V4-Pro
deepseek/deepseek-v4-pro
ProviderDeepseekDeepseek
FamilyDeepSeekDeepSeek
Modalitytexttext
Context window1,048,576 tok1,000,000 tok
Max output32,768 tok393,216 tok
Released2026-07-312026-05-11
Input price$0.440 /1M$2.40 /1M
Output price$1.32 /1M$4.80 /1M
Cache read——
Toolsyesyes
Streamingyesyes
Vision——
JSON modeyesyes
Reasoningyesyes
Prompt caching——
Deepseek-V4-Flash-0731
deepseek/deepseek-v4-flash-0731
Full spec →

DeepSeek-V4-Flash-0731 is the official release of DeepSeek-V4-Flash, superseding the preview version, with substantially enhanced agentic capabilities.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
DeepSeek-V4-Pro
deepseek/deepseek-v4-pro
Full spec →

DeepSeek V4 Pro is a high-capability reasoning model from DeepSeek, served via Fireworks infrastructure for production-grade inference.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Try Deepseek-V4-Flash-0731
client.chat.completions.create(
    model="deepseek/deepseek-v4-flash-0731",
    messages=[{"role":"user","content":"hello"}],
)

# Try DeepSeek-V4-Pro — same client, same key
client.chat.completions.create(
    model="deepseek/deepseek-v4-pro",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

Compare with another

Deepseek-V4-Flash-0731 vs Deepseek-V4-Pro-0813
deepseek/deepseek-v4-flash-0731 · deepseek/deepseek-v4-pro-0813
DeepSeek-V4-Pro vs Deepseek-V4-Pro-0813
deepseek/deepseek-v4-pro · deepseek/deepseek-v4-pro-0813