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FlagshipOpen SourceDeepSeek
DeepSeek V3
DeepSeek V3 is DeepSeek's flagship open-source model for complex reasoning and code generation tasks, with a 64K token context window.
Context 64K
Tier Flagship
Knowledge Jun 2024
Tools Supported
License Open Source
Input from
$0.240 / 1M tokens
across 3 providers
API Pricing
Cheapest on Deep Infra — 36% below avg| Provider | Input / 1M | Output / 1M | Cached / 1M |
|---|---|---|---|
| $0.240 | $0.900 | $0.135 | |
| $0.250 | $1.00 | - | |
| $0.500 | $1.50 | - | |
| $0.500 | $1.50 | - |
Prices updated daily. Last check: Sep 6, 2026
DeepSeek V3 pricing by provider
Input, output, and batch rates, plus alternatives, for one provider at a time.
Performance & Benchmarks
Source: Artificial Analysis →Intelligence
9.2 / 100
Coding
21.2 / 100
Math
41.0 / 100
Reasoning & Knowledge
- MMLU-Pro81.9%
- GPQA Diamond65.5%
- Humanity's Last Exam4.7%
Coding
- LiveCodeBench40.5%
Math
- AIME 202541.0%
- AIME52.0%
- MATH-50094.2%
Agentic & Tool Use
- Terminal-Bench Hard15.2%
- Terminal-Bench v2.113.9%
- τ²-bench47.1%
- τ-bench Banking4.7%
Instruction & Long Context
- IFBench41.0%
- Long-Context Reasoning40.7%
Benchmarks measured Sep 2026. Scores are independent evaluations, not vendor-reported.
Model Details
General
- Creator
- DeepSeek
- Family
- DeepSeek
- Tier
- Flagship
- Context Window
- 64K
- Knowledge Cutoff
- Jun 2024
- Modalities
- Text
Capabilities
- Tool Calling
- Yes
- Open Source
- Yes
- Subtypes
- Chat Completion, Code Generation
Strengths & Limitations
Strengths
- Open-source availability enables custom fine-tuning and on-premises deployment
- 64K token context window supports substantial document processing
- Tool calling support with structured interactions
- Specialized code generation capabilities for programming tasks
- No vendor lock-in due to open-source licensing
- Flagship-tier reasoning capabilities without proprietary restrictions
- Knowledge cutoff from June 2024 provides recent training data
Limitations
- No vision or image input capabilities - text-only modality
- Smaller context window compared to some frontier models with 200K+ tokens
- Knowledge cutoff from June 2024 may be older than some competing models
- Requires infrastructure management for self-hosting deployments
Key Features
•64K token context window
•Tool calling with structured output
•Chat completion interface
•Code generation and programming assistance
•Open-source model weights and architecture
•Text-based reasoning and analysis
•API compatibility for cloud deployment
•Custom fine-tuning support
About DeepSeek V3
DeepSeek V3 is the flagship model from DeepSeek, representing the top tier in their open-source language model family. As an open-source flagship model, it positions itself as a capable alternative to proprietary frontier models while maintaining full transparency and allowing for custom deployments.
The model features a 64,000 token context window and focuses on text-based tasks including chat completion and code generation. DeepSeek V3 includes tool calling capabilities and maintains a knowledge cutoff of June 2024. The model is designed to handle complex reasoning tasks and sophisticated code generation workloads that require deep understanding of programming concepts and logic.
DeepSeek V3 serves users who need flagship-level capabilities while requiring open-source access for customization, fine-tuning, or on-premises deployment. Unlike closed-source alternatives, it provides full model transparency and the ability to modify or deploy the model independently.
Common Use Cases
DeepSeek V3 is suited for organizations requiring flagship-level AI capabilities with open-source flexibility. This includes enterprises needing on-premises deployment for data privacy, research institutions requiring model customization, and development teams building specialized coding assistants. The model excels at complex reasoning tasks, sophisticated code generation, and scenarios where tool calling integration is essential. Its open-source nature makes it particularly valuable for applications requiring fine-tuning on domain-specific data or deployment in air-gapped environments where proprietary API access is not feasible.
Frequently Asked Questions
How much does DeepSeek V3 cost per million tokens?
DeepSeek V3 pricing varies by provider and deployment method, including both API access and self-hosting options. Check the pricing table above for current rates across all providers offering DeepSeek V3 access.
What is DeepSeek V3 best used for?
DeepSeek V3 excels at complex reasoning tasks, sophisticated code generation, and applications requiring tool calling capabilities. Its open-source nature makes it particularly valuable for organizations needing custom fine-tuning, on-premises deployment, or integration into proprietary systems without vendor dependencies.
How does DeepSeek V3 compare to proprietary flagship models?
DeepSeek V3 offers flagship-tier reasoning and code generation capabilities while providing open-source access for customization and self-hosting. However, it has a smaller 64K context window compared to some proprietary models with 200K+ tokens and lacks multimodal capabilities like vision input that some competing flagship models provide.