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Head-to-head comparison

GPT-4 Turbo vs GPT-4o (2024-08-06)

GPT-4 Turbo (OpenAI) and GPT-4o (2024-08-06) (OpenAI) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 3 September 2026

As of 3 September 2026, GPT-4o (2024-08-06) holds the stronger ModelCap Index position (#110 vs #174); and GPT-4o (2024-08-06) is 3× cheaper per output token ($10.00/1M vs $30.00/1M).

Which should you choose?

Choose GPT-4 Turbo if…

  • AA Humanity's Last Exam is your yardstick — 3.1% against 2.3%.

Choose GPT-4o (2024-08-06) if…

  • you want the stronger overall ModelCap Index position — #110 against #174 (24.2 vs 19.9 points).
  • API cost matters — $10.00/1M output tokens against $30.00/1M, about 3× cheaper.
  • your workload is prompt-heavy — input tokens cost $2.50/1M against $10.00/1M.
  • you want provider choice — 2 listed API providers against 1.
  • Arena coding is your yardstick — 1360 against 1347.
  • AA Intelligence Index is your yardstick — 9.4 against 7.7.
  • you want the more recently listed model — GPT-4o (2024-08-06) was listed 6 August 2024, GPT-4 Turbo 9 April 2024.

GPT-4 Turbo vs GPT-4o (2024-08-06): specs, pricing and context

Specification comparison of GPT-4 Turbo and GPT-4o (2024-08-06)
FieldGPT-4 TurboOpenAIGPT-4o (2024-08-06)OpenAI
ModelCap Index position#174#110
Index score19.924.2
EvidenceMeasuredMeasured
Input price / 1M tokens$10.00$2.50
Output price / 1M tokens$30.00$10.00
Context window128K tokens128K tokens
Max output tokens4K16K
API providers listed12
Weight accessAPI onlyAPI only
Input modalitiesText, ImageText, Image, File
First listed9 April 20246 August 2024
PublisherOpenAIOpenAI

Evidence: 3 public benchmark observations across 3 boards · 3 public benchmark observations across 3 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: GPT-4 Turbo vs GPT-4o (2024-08-06)

Public benchmark boards where GPT-4 Turbo or GPT-4o (2024-08-06) has a published result
BoardGPT-4 TurboGPT-4o (2024-08-06)Leads
Arena codingArena (LMArena)13471340–135413601352–1368GPT-4o (2024-08-06)
AA Intelligence IndexArtificial Analysis7.7intelligence-index9.4intelligence-indexGPT-4o (2024-08-06)
AA τ²-Bench TelecomArtificial Analysis—28.9%tau2-bench-telecomOnly one result
AA Humanity's Last ExamArtificial Analysis3.1%humanitys-last-exam2.3%humanitys-last-examGPT-4 Turbo

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

GPT-4 Turbo vs GPT-4o (2024-08-06): common questions

Is GPT-4 Turbo better than GPT-4o (2024-08-06)?

GPT-4o (2024-08-06) ranks higher on the ModelCap Index as of 3 September 2026: #110 against #174. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it.

Is GPT-4 Turbo cheaper than GPT-4o (2024-08-06)?

GPT-4o (2024-08-06) is cheaper on output tokens: $10.00/1M against $30.00/1M. Input tokens are $10.00/1M for GPT-4 Turbo and $2.50/1M for GPT-4o (2024-08-06). Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, GPT-4 Turbo or GPT-4o (2024-08-06)?

Both publish a 128K-token context window.

Which is better for coding, GPT-4 Turbo or GPT-4o (2024-08-06)?

Arena coding: GPT-4 Turbo 1347, GPT-4o (2024-08-06) 1360 — GPT-4o (2024-08-06) leads.

Are GPT-4 Turbo and GPT-4o (2024-08-06) open-weight models?

GPT-4 Turbo: API only. GPT-4o (2024-08-06): API only. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run GPT-4 Turbo and GPT-4o (2024-08-06)?

ModelCap currently lists 1 API provider for GPT-4 Turbo and 2 for GPT-4o (2024-08-06), from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this GPT-4 Turbo vs GPT-4o (2024-08-06) comparison?

Every figure comes from the sealed ModelCap dataset published 3 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.

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