DeepSeek V4 is live on Fireworks - Explore All Models Available via API on Fireworks

DeepSeek 4 is Live on Fireworks

Founded in 2023, DeepSeek is the primary pioneer of the open-weights reasoning movement, committed to democratizing advanced AI through radical efficiency. On April 24, DeepSeek released its latest flagship model, DeepSeek V4. Developers can now start building with this frontier open-source model with a single click today.

Explore DeepSeek 4

All DeepSeek Models

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DeepSeek Model Collection

Models from DeepSeek that harmonize high computational efficiency with superior reasoning and agent performance.

Explore all DeepSeek models in the model library

DeepSeek Innovations That Break the Mold

The DeepSeek-R1 Breakthrough

First open-source model to rival OpenAI o1 in complex reasoning, math, and coding. Production-ready and battle-tested.

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Architectural Gamechangers

Mixture-of-Experts (MoE) plus Multi-head Latent Attention (MLA) deliver higher throughput, lower cost, and superior multi-step reasoning.

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Reasoning You Can Rely On

Reinforcement learning ensures stable and predictable outcomes for coding, agent workflows, and planning.

Research Driven, Production Ready

Innovations like mHC are baked directly into shipped models. Always ahead, always scalable.

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Why choose DeepSeek on Fireworks?

Unmatched Speed That Powers Your Workflows

Consistently rank first in TTFT and TPS benchmarks, achieving up to 389 tokens per second with our proprietary performance optimizations.

Slash Costs Without Sacrificing Quality

Up to 40% Savings: Migrate from expensive closed-source models while keeping output quality high.

Day Zero Deployments Gets You to Market Faster

•Instant Availability: Start testing and deploying new DeepSeek models within hours of launch
•Effortless Migration: Switch quickly with our OpenAI-compatible API, often just a two-line code change,

CASE STUDY

Sourcegraph cuts latency 30% and boosts acceptance rates 2.5X

Sourcegraph accelerated bug resolution and improved code quality at scale by applying context-aware, streaming AI edits tailored to their codebase. The ability to quickly evaluate DeepSeek models sped up iteration cycles and avoided vendor lock-in.

Read the Case Study

2.5X

Higher Fix Acceptance

DeepSeek 4 is Live on Fireworks

DeepSeek Model Collection

DeepSeek Coder V2 Instruct

DeepSeek Coder 7B Base

Deepseek v3.2

DeepSeek V3.1

Deepseek R1 05/28

DeepSeek R1 (Fast)

DeepSeek R1 (Basic)

DeepSeek V3.1 Terminus