Calculate Tokens

DeepSeek V3 vs GPT-4o— Pricing & Token Cost Comparison

Side-by-side API pricing and tokenizer details for DeepSeek V3 (DeepSeek) and GPT-4o (OpenAI).

Side-by-side pricing

FeatureDeepSeek V3GPT-4o
ProviderDeepSeekOpenAI
Input (per 1M tokens)$0.270$2.50
Output (per 1M tokens)$1.10$10.00
Context cachingNoNo
Batch API discountNot available50% off
Context window128K tokens128K tokens
TokenizerSentencePiece (Llama)o200k_base (tiktoken)

Real-world cost example

1,000 API requests per month, each with 500 input tokens and 200 output tokens (500K input + 200K output total).

DeepSeek V3
$0.3550
Input: $0.1350 + Output: $0.2200
GPT-4o
$3.2500
Input: $1.2500 + Output: $2.0000

DeepSeek V3 is 89% cheaper for this workload — saving $2.8950 per month at this volume.

Frequently asked questions

Is DeepSeek V3 cheaper than GPT-4o?
Yes, DeepSeek V3 is cheaper for the typical workload above. At $0.270/1M input and $1.10/1M output tokens, it costs $0.3550 versus $3.2500 for GPT-4o — a 89% difference. Costs scale linearly, so larger workloads amplify this gap.
What is the context window of DeepSeek V3 vs GPT-4o?
DeepSeek V3 supports a 128K token context window. GPT-4o supports a 128K token context window. A larger context window lets you include more text — documents, conversation history, or code — in a single API call.
Do DeepSeek V3 or GPT-4o support context caching or batch discounts?
DeepSeek V3 does not support context caching. It does not offer a batch API discount. GPT-4o does not support context caching. It offers a 50% Batch API discount.

Calculate costs for your actual prompt

Paste your prompt into the calculator and get exact token counts using each model's real tokenizer — all in your browser.

Open calculator

Data provenance: Prices sourced directly from provider pricing pages.

DeepSeek V3 prices last verified from DeepSeek pricing page.

GPT-4o prices last verified from OpenAI pricing page.

Prices may change. Always verify against the provider's current pricing page before making purchasing decisions.