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DeepSeek V3 vs GPT-5

DeepSeek V3 and GPT-5 are both Conversational AI tools in our directory. This side-by-side comparison covers pricing, editorial scores, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeDeepSeek V3GPT-5
Product statusStatus not recordedActive
VendorDeepSeekOpenAI
Rating★ 4.7★ 4.7
PricingFreePay-as-you-go
PlatformsModel weights, Self-hosted codeAPI
Key featuresVendor figure: 671B total parameters, Vendor figure: 37B active per token, MIT-licensed repository codeConfigurable minimal/low/medium/high reasoning effort, Text and image input; text output, Function calling and structured outputs
Headquarters——
Launched20242025
Open sourceNoNo

Key differences

  • DeepSeek V3 and GPT-5 carry the same editorial score (4.7★).
  • DeepSeek V3 is Free, while GPT-5 is Pay-as-you-go.
  • DeepSeek V3 runs on Model weights, Self-hosted code; GPT-5 runs on API.

DeepSeek V3 and GPT-5 at a glance

DeepSeek V3

DeepSeek

Original 2024 DeepSeek-V3 Base/Chat weights and code: vendor-documented MoE architecture, MIT code and a separate model license; current hosted V3 access is unconfirmed.

Rating
4.7★
Pricing
Free

Editorial verdict

Evaluate original V3 as a specific downloadable release with separate code and weight licenses; verify infrastructure and any hosted version instead of borrowing today's API price or a frontier-quality claim.

Strengths

  • Published original Base/Chat weights and technical materials
  • Vendor-documented MoE architecture
  • Code and model-license documents available for review

Key features

  • Vendor figure: 671B total parameters
  • Vendor figure: 37B active per token
  • MIT-licensed repository code
  • Weights follow LICENSE-MODEL
  • Runtime costs depend on deployment

Best for

  • Pinned-release model research
  • License-aware self-hosting evaluation
  • Historical API and model migration inventory
Read the full DeepSeek V3 review →

GPT-5

OpenAI

OpenAI's original GPT-5 API reasoning model with configurable effort, text/image input and text output. The gpt-5-2025-08-07 snapshot is deprecated with API removal scheduled for December 11, 2026.

Rating
4.7★
Pricing
Pay-as-you-go

Editorial verdict

A legacy API model with a published retirement deadline. Existing users can use this record to plan migration; new long-lived deployments should evaluate supported models and verify account access.

Strengths

  • Explicit reasoning-effort settings
  • Documented function calls and structured outputs
  • Snapshot ID helps track a legacy integration

Key features

  • Configurable minimal/low/medium/high reasoning effort
  • Text and image input; text output
  • Function calling and structured outputs
  • Streaming responses
  • Original snapshot scheduled to retire December 11, 2026

Best for

  • Maintaining an existing coding or analysis integration during migration
  • Comparing structured outputs and tool behavior against a replacement
Read the full GPT-5 review →

Feature overlap

  • The two tools have no listed features in common — see both feature lists above.
  • DeepSeek V3 also lists: Vendor figure: 671B total parameters, Vendor figure: 37B active per token, MIT-licensed repository code, Weights follow LICENSE-MODEL, Runtime costs depend on deployment
  • GPT-5 also lists: Configurable minimal/low/medium/high reasoning effort, Text and image input; text output, Function calling and structured outputs, Streaming responses, Original snapshot scheduled to retire December 11, 2026

Frequently asked questions

Is DeepSeek V3 or GPT-5 better?

DeepSeek V3 and GPT-5 carry the same editorial score (4.7★), so the better choice depends on your needs — see the feature and platform comparison above.

Which is cheaper, DeepSeek V3 or GPT-5?

DeepSeek V3 is Free and GPT-5 is Pay-as-you-go. Check each product page for current plan details.

Are DeepSeek V3 and GPT-5 open source?

No — neither DeepSeek V3 nor GPT-5 is open source.

What platforms do DeepSeek V3 and GPT-5 support?

DeepSeek V3 supports Model weights, Self-hosted code; GPT-5 supports API.

What are the main features of DeepSeek V3 and GPT-5?

DeepSeek V3: Vendor figure: 671B total parameters, Vendor figure: 37B active per token, MIT-licensed repository code, Weights follow LICENSE-MODEL, Runtime costs depend on deployment. GPT-5: Configurable minimal/low/medium/high reasoning effort, Text and image input; text output, Function calling and structured outputs, Streaming responses, Original snapshot scheduled to retire December 11, 2026.

Visit DeepSeek V3 →Visit GPT-5 →

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