How much does GPT-4o (Nov 2024) cost?

GPT-4o (Nov 2024) costs $2.50 per million input tokens and $10.00 per million output tokens, using the list price from OpenAI as of 26 Oct 2026. That is about $0.75 for 100 chats of about 1,000 tokens in and 500 tokens back. Confirm on the maker's site before you buy, because prices change.

What is the context window of GPT-4o (Nov 2024)?

GPT-4o (Nov 2024) has a context window of 128K tokens, roughly 96,000 words of text read at once. A single answer can be up to 16K tokens long.

Is GPT-4o (Nov 2024) open source?

We list GPT-4o (Nov 2024) as closed: it is used through its maker's apps or API and its weights are not published (Epoch AI lists its access as "API access").

How good is GPT-4o (Nov 2024) compared with other AI models?

On the Epoch Capabilities Index, GPT-4o (Nov 2024) scores 128.7 (likely range 123.9 to 131.0), which ranks 168 of 270 models we track. Scores close together are a tie in practice.

How does GPT-4o (Nov 2024) compare with Llama 3.1-405B?

Llama 3.1-405B scores higher on 2 of 3 shared quality measures, GPT-4o (Nov 2024) on 0. 1 measure is too close to call. Llama 3.1-405B costs about 45% less than GPT-4o (Nov 2024) on a blended price of $2.40 against $4.38 per million tokens. See the full comparison for every measure.

How current are these numbers for GPT-4o (Nov 2024)?

The newest data on this page is dated 26 Oct 2026. Scores come from Epoch AI and Arena, prices from the open LiteLLM price list.

AI Rankings

GPT-4o (Nov 2024): Score, Price and Context Window

Where GPT-4o (Nov 2024) from OpenAI ranks, what it costs and how much text it can read, in plain numbers with the sources.

Data updated 26 Oct 2026

OpenAI
Closed weights
Released Nov 2024

Its score range overlaps with Llama 3.1-405B, the model just above it, so a small gap in rank is not a meaningful difference.

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Cutting-edge tasks: its overall Epoch score is in the lower part of the models we track.

These lines are worked out from the numbers on this page, not from hands-on testing.

Key facts

Overall score: 128.7; Rank 168 of 270. Likely range 123.9 to 131.0.
Price per million tokens: $2.50 in / $10.00 out; Blended $4.38. Cached input $1.25. List price from OpenAI, checked 26 Oct 2026.
Context window: 128K tokens; About 96,000 words at once. One answer up to 16K tokens.
Weights: Closed; Used through the maker's apps or API (Epoch AI: API access).

Features listed by the price list: Image input, PDF input, Tool use, Prompt caching, Structured output.

We do not have an Arena human-vote rating for GPT-4o (Nov 2024) yet. It is shown as "Not measured" rather than guessed.

Try itChatGPT in our AI tools directoryOpenAI's AI assistant for writing, coding, research, file analysis, and connected work across chats and projects.

How GPT-4o (Nov 2024) stacks up

Each strip shows every model we track as faint bars. The dot is this model. Better is always to the right, even for price.

GPT-4o (Nov 2024) compared with all models we trackOverall capability: 128.7. Better than 37% of the other 269 models. Price: $4.38 per 1M. Cheaper than 21% of the other 200 priced models. Context window: 128K tokens. Larger context window than 19% of the other 198 models.

Overall capability128.7
Better than 37% of the other 269 models
Epoch Capabilities Index: one score that combines many tests.
Price$4.38 per 1M
Cheaper than 21% of the other 200 priced models
Blended price per million tokens. Lower is better, so the cheapest models sit on the right.
Context window128K tokens
Larger context window than 19% of the other 198 models
How much text it can read at once. Bigger suits long documents.

Compared with the other published models that have each measure. Data updated 26 Oct 2026.

Where GPT-4o (Nov 2024) ranks

Leaderboards it appears on, best placing first.

See all leaderboards

Test results

Each test checks one kind of skill. Place shows where it stands among the models that took that test.

GPQA Diamond
Very hard multiple-choice science questions in biology, physics and chemistry, written by experts and designed so a quick web search does not give the answer.
47.9%
Place 143 of 183
OTIS Mock AIME
Maths competition problems in the style of the US AIME exam, from the 2024 and 2025 sets. Every answer is a whole number.
6.3%
Place 149 of 174
tied with 1 other
Aider Polyglot
225 coding exercises in six programming languages. The AI edits the code files and the exercise's tests decide pass or fail.
18.2%
Place 40 of 46
tied with 1 other
ARC-AGI-2
Visual puzzles where the AI must work out a new rule from a few examples and apply it. They test picking up a new idea quickly, not recalling facts.
0.0%
Place 79 of 86
tied with 7 others
Humanity's Last Exam
A large set of very hard, expert-written questions across many subjects, built to stay difficult for top AI models.
2.7%
Place 41 of 41
SWE-bench Verified
Real bug reports from open-source software projects. The AI has to change the code so the project's own tests pass. The tasks were checked by people.
31.0%
Place 32 of 32

What it costs in everyday terms

List prices turned into amounts you can picture. Real bills depend on how you use it.

100 chats: $0.75; Cost of 100 chats assumes each chat sends 1,000 tokens (about 750 words) and gets 500 tokens (about 375 words) back.
A 300-page book: $0.25; Cost to read a 300-page book assumes about 100,000 input tokens and no reply. A real book varies with page size and language.
Blended price: $4.38 per 1M; Three parts input to one part output. Our own calculation for comparing models.

Similar models

Models from other makers with a similar overall score.

Learn more

Questions about GPT-4o (Nov 2024)

How much does GPT-4o (Nov 2024) cost?: GPT-4o (Nov 2024) costs $2.50 per million input tokens and $10.00 per million output tokens, using the list price from OpenAI as of 26 Oct 2026. That is about $0.75 for 100 chats of about 1,000 tokens in and 500 tokens back. Confirm on the maker's site before you buy, because prices change.
What is the context window of GPT-4o (Nov 2024)?: GPT-4o (Nov 2024) has a context window of 128K tokens, roughly 96,000 words of text read at once. A single answer can be up to 16K tokens long.
Is GPT-4o (Nov 2024) open source?: We list GPT-4o (Nov 2024) as closed: it is used through its maker's apps or API and its weights are not published (Epoch AI lists its access as "API access").
How good is GPT-4o (Nov 2024) compared with other AI models?: On the Epoch Capabilities Index, GPT-4o (Nov 2024) scores 128.7 (likely range 123.9 to 131.0), which ranks 168 of 270 models we track. Scores close together are a tie in practice.
How does GPT-4o (Nov 2024) compare with Llama 3.1-405B?: Llama 3.1-405B scores higher on 2 of 3 shared quality measures, GPT-4o (Nov 2024) on 0. 1 measure is too close to call. Llama 3.1-405B costs about 45% less than GPT-4o (Nov 2024) on a blended price of $2.40 against $4.38 per million tokens. See the full comparison for every measure.
How current are these numbers for GPT-4o (Nov 2024)?: The newest data on this page is dated 26 Oct 2026. Scores come from Epoch AI and Arena, prices from the open LiteLLM price list.

Where this data comes from

Epoch AI: Benchmark data: Epoch AI, 'Capabilities & benchmarking', epoch.ai/benchmarks (CC BY 4.0). We match models across sources, rank them and show them in charts. Scores are not changed. Epoch AI does not endorse this site.
LiteLLM model price list: Prices and context windows: LiteLLM model price list (github.com/BerriAI/litellm, MIT licence). We use the model maker's own price entry when there is one. Prices change often, so always confirm on the maker's site before you buy.

Newest data on this page: 26 Oct 2026. Prices are list prices and change often, so confirm on the maker's site before you buy. Sponsors never change a score or an order. How we calculate this · Report a mistake