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← All comparisonsPolished all-round product versus value reasoning

ChatGPT vs DeepSeek

A mature general assistant compared with a cost-sensitive technical challenger.

CGVSDS

UK business buying boundary

Editorial responsibility: Aaron Felix. Guide and methodology checked on 7 October 2026; supplier facts have separate dates below. No completed head-to-head test is claimed.

Check the contracting plan, UK account access, data handling, currency, VAT, seat minimums and cancellation terms. Neither assistant is a source of authoritative professional advice.

ICO AI and data protection guidance ↗

How this verdict is formed · How commercial links are handled

Not yet scoredTest pending
Text AI

ChatGPT

Everyday work, research, writing, coding and multimodal assistants

EDITORIAL SCORE EDGEIndependent test pendingUse-case decides the winner
Not yet scoredTest pending
Text AI

DeepSeek

Cost-sensitive reasoning, coding and experimentation

HUBAI VERDICT

ChatGPT offers the more complete product experience. DeepSeek can be attractive for price-sensitive reasoning and coding, but organisations should apply stricter governance and vendor-risk checks.

DECISION FACTORChatGPTDeepSeek
HubAI scoreIndependent test pendingIndependent test pending
Best forEveryday work, research, writing, coding and multimodal assistantsCost-sensitive reasoning, coding and experimentation
Starting costFree consumer entry; paid Go, Plus, Pro, Business and Enterprise routes. No GBP amount was exposed in the public page checked; obtain the signed-in UK checkout quote. API billing is separate; advertising uses separate campaign billing terms. · Recorded check: 15 October 2026. Currency and UK VAT to confirm.Current vendor price not verified; confirm plan, currency and UK VAT at the official source.
Free access / trialFree access has feature limits; GPT-6 Intelligent UI expansion to Free/Go starts 8 October, with individual UK account entitlement unverified. The new visual advertising format is a planned US test, not a UK trial entitlement.Current access and plan limits not verified; confirm at the official source.
Strongest pointMultiple writing, research and creative workflows in one productCompelling cost/performance
Main limitationCapability and usage depend on plan and product surfaceGovernance concerns for some teams
CG
CHOOSE

ChatGPT

✓ Product polish and a broad feature set matter.

✓ Non-technical staff need an accessible experience.

✓ You prefer a mainstream adoption and support path.

Read ChatGPT review
DS
CHOOSE

DeepSeek

✓ API economics are a major constraint.

✓ Technical users can manage a less polished workflow.

✓ Your organisation can complete deeper security review.

Read DeepSeek review
STRENGTHS & LIMITATIONS

The trade-offs behind the scores.

ChatGPT

Strengths

+ Multiple writing, research and creative workflows in one product

+ Free entry route for a bounded evaluation

+ Broad ecosystem and multimodal features

Limitations

− Capability and usage depend on plan and product surface

− New visual-ad format is not confirmed for UK accounts

− Supplier control descriptions still need workflow verification

DeepSeek

Strengths

+ Compelling cost/performance

+ Good coding support

+ Strong reasoning for the price

Limitations

− Governance concerns for some teams

− Product polish varies

− Vendor risk needs review

COST REALITY

What drives the final bill.

ChatGPTFree consumer entry; paid Go, Plus, Pro, Business and Enterprise routes. No GBP amount was exposed in the public page checked; obtain the signed-in UK checkout quote. API billing is separate; advertising uses separate campaign billing terms. · Recorded check: 15 October 2026. Currency and UK VAT to confirm.

seat tier, message or model limits, connected tools and human verification time.

DeepSeekCurrent vendor price not verified; confirm plan, currency and UK VAT at the official source.

seat tier, message or model limits, connected tools and human verification time.

Record subscriptions, usage, failed attempts, human correction and implementation. The lowest advertised price is not necessarily the lowest cost per accepted result.
BEFORE YOU BUY

Run this three-step test.

Use your own representative work and record the full cost of reaching an accepted output.

  1. 01Benchmark ten representative reasoning tasks.
  2. 02Calculate cost per accepted output, not token price alone.
  3. 03Complete data-location and vendor-risk review before rollout.
BUYER FAQ

ChatGPT vs DeepSeek: quick answers.

Which is better: ChatGPT or DeepSeek?

ChatGPT offers the more complete product experience. DeepSeek can be attractive for price-sensitive reasoning and coding, but organisations should apply stricter governance and vendor-risk checks.

Which is cheaper to test?

ChatGPT: Free access has feature limits; GPT-6 Intelligent UI expansion to Free/Go starts 8 October, with individual UK account entitlement unverified. The new visual advertising format is a planned US test, not a UK trial entitlement.. DeepSeek: Current access and plan limits not verified; confirm at the official source.. Compare total cost per accepted result because allowances and retries can change the answer.

How should I test ChatGPT against DeepSeek?

Benchmark ten representative reasoning tasks. Calculate cost per accepted output, not token price alone. Complete data-location and vendor-risk review before rollout.

BEFORE YOU BUY

ChatGPT: evidence before purchase

Independent test pending

What we can verify

Not yet scored. No completed HubAI same-task test record is published. The supplier information below is separate from independent test results.

What an independent test needs to cover

Test output accuracy, retries, reviewer effort, data handling and total cost using the pilot below. No completion date is scheduled; a score will require a published method and results.

Supplier facts recorded
8 October 2026
Within 30-day review window. This is not an independent test date.
Methodology checked on

Price and UK access check

Free consumer entry; paid Go, Plus, Pro, Business and Enterprise routes. No GBP amount was exposed in the public page checked; obtain the signed-in UK checkout quote. API billing is separate; advertising uses separate campaign billing terms. · Recorded check: 15 October 2026. Currency and UK VAT to confirm.

Pricing freshness: Within 30-day review window.

Official sources

BEFORE YOU BUY

DeepSeek: evidence before purchase

Independent test pending

What we can verify

Not yet scored. No completed HubAI same-task test record is published. The supplier information below is separate from independent test results.

What an independent test needs to cover

Test output accuracy, retries, reviewer effort, data handling and total cost using the pilot below. No completion date is scheduled; a score will require a published method and results.

Supplier facts recorded
Date not recorded
Check date not recorded. This is not an independent test date.
Methodology checked on

Price and UK access check

Current vendor price not verified; confirm plan, currency and UK VAT at the official source.

Pricing freshness: Check date not recorded.

Official sources

CHECK THE SOURCE

Product facts are dated separately.

Editorial independence

HubAI scores are editorial opinions based on the displayed criteria. Pricing and access can change; verify current terms with each vendor. Sponsored placement does not buy a higher score.

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