API cost decision in 10 seconds

DeepSeek Pro Latest vs GPT Terra Latest

Pick GPT Terra Latest when budget and context both matter.

Page updated: 2026-10-28T22:08:17Z Data confirmed: 2026-10-29T22:08:04Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT Terra Latest when budget and context both matter.

On the standard 1M input plus 500K output workload, GPT Terra Latest is estimated at $3.5 vs $4.1 for DeepSeek Pro Latest, saving $0.6 (14.7% lower).

Cost-first pickGPT Terra Latest

Context-first pickGPT Terra Latest

Sample savings$0.614.7%

10x traffic gap$6.04

GPT Terra Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $6.04. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors DeepSeek Pro Latest, balanced workload favors GPT Terra Latest, and output-heavy chatbot favors GPT Terra Latest.

Workload shape	Token mix	Better pick	DeepSeek Pro Latest	GPT Terra Latest
Input-heavy / RAG	5M input + 500K output	DeepSeek Pro Latest	$4.52	$7.5
Balanced workload	1M input + 1M output	GPT Terra Latest	$8.1	$6
Output-heavy chatbot	1M input + 5M output	GPT Terra Latest	$40.1	$26

Cheaper input DeepSeek Pro Latest $0.1035 vs $1 / 1M

DeepSeek Pro Latest is $0.9 cheaper per 1M input tokens (89.6% lower; 9.66x difference).

Cheaper output GPT Terra Latest $8 vs $5 / 1M

GPT Terra Latest is $3 cheaper per 1M output tokens (37.5% lower; 1.6x difference).

Larger context GPT Terra Latest 1.05M vs 1.05M

GPT Terra Latest has 1.42K more context (1x larger).

Sample workload GPT Terra Latest $4.1 vs $3.5

GPT Terra Latest is $0.6 cheaper on the standard workload (14.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

DeepSeek Pro Latest Calculating… Estimated API cost

GPT Terra Latest Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

DeepSeek Pro Latest has the lower input price; GPT Terra Latest has the lower output price; GPT Terra Latest offers the larger context window. For the 1M input plus 500K output sample, GPT Terra Latest is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $4.1 for DeepSeek Pro Latest and $3.5 for GPT Terra Latest.

Best Fit

Choose DeepSeek Pro Latest when you care most about lower input-token price.

Choose GPT Terra Latest when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, GPT Terra Latest is estimated at $3.5 vs $4.1 for DeepSeek Pro Latest, saving $0.6 (14.7% lower).
GPT Terra Latest is $0.6 cheaper on the standard workload (14.7% lower).
DeepSeek Pro Latest is $0.9 cheaper per 1M input tokens (89.6% lower; 9.66x difference).
GPT Terra Latest is $3 cheaper per 1M output tokens (37.5% lower; 1.6x difference).
GPT Terra Latest has 1.42K more context (1x larger).

Head-to-Head Specs

Feature	DeepSeek Pro Latest (DeepSeek)	GPT Terra Latest (OpenAI)
Input Price prompt tokens per 1M	$0.1035	$1
Completion Price per 1M tokens	$8	$5
Sample Workload Cost 1M input + 500K output	$4.1	$3.5
Context Window	1.05M	1.05M
Release Date	2026-09-14	2026-09-11

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	GPT Terra Latest	On the standard 1M input plus 500K output workload, GPT Terra Latest is estimated at $3.5 vs $4.1 for DeepSeek Pro Latest, saving $0.6 (14.7% lower).
High-volume input processing	DeepSeek Pro Latest	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	GPT Terra Latest	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT Terra Latest	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

DeepSeek V4 Flash 0731 (free) can replace DeepSeek Pro Latest when lower sample workload cost matters most: $0.
DeepSeek V4 Flash (free) can replace DeepSeek Pro Latest when lower sample workload cost matters most: $0.
DeepSeek V4.1 Flash (batch) can replace DeepSeek Pro Latest when lower sample workload cost matters most: $0.12.
DeepSeek V4 Flash Latest can replace DeepSeek Pro Latest when lower sample workload cost matters most: $0.13.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.

Popular competitors

Kimi K3.1 Pro · MoonshotAI · #1
DeepSeek V4.1 Flash 1017 · DeepSeek · #2
DeepSeek V4.1 Flash · DeepSeek · #3
GLM 5.3 Flash · Z.ai · #4

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

DeepSeek catalog

Review all tracked DeepSeek models before deciding whether this matchup is the right shortlist.

Open DeepSeek models

OpenAI catalog

Check other OpenAI models with comparable pricing, context, or release timing.

Open OpenAI models

DeepSeek Pro Latest

This model always redirects to the latest model in the DeepSeek Pro family.

GPT Terra Latest

This model always redirects to the latest model in the GPT Terra family.