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GPT-4.1 mini vs GPT Chat Latest: API Cost Comparison

Compare the API pricing, context windows, features, and real-world cost projections for GPT-4.1 mini (OpenAI) and GPT Chat Latest (OpenAI). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.

Prices verified May 6, 2026

Interactive Cost Calculator

OpenAIGPT-4.1 miniOpenAIGPT Chat Latest

Fills in typical token counts for a workload type

Tokens in each prompt sent to the model

Tokens generated in each response

Total API calls per month

Showing costs for 2 models. Cheapest: GPT-4.1 mini at $12.00/month.

Cheapest: GPT-4.1 mini at $12.00/mo — save 94.0% vs GPT Chat Latest
Alert
BestGPT-4.1 mini
OpenAI$12.00$0.001200$4.00$8.0094.0%Alerts coming soon
GPT Chat Latest
OpenAI$200.00$0.020000$50.00$150.00Alerts coming soon

Monthly Cost Comparison

Price Comparison at a Glance

All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.

Pricing TypeGPT-4.1 miniGPT Chat LatestCheaper
Input (standard)$0.40/M$5.00/MGPT-4.1 mini
Output$1.60/M$30.00/MGPT-4.1 mini
Cached input$0.10/MN/A
Batch input$0.20/MN/A
Batch output$0.80/MN/A

Prices last verified: 2026-03-08 – 2026-05-06

Cost Breakdown by Usage Volume

Estimated monthly costs at different request volumes, assuming 1,000 input tokens and 500 output tokens per request. Adjust in the calculator above for your specific use case.

VolumeGPT-4.1 miniMonthlyGPT Chat LatestMonthlyGPT-4.1 miniPer requestGPT Chat LatestPer request
1K requests/mo$1.20$20.00$0.001200$0.020000
10K requests/mo$12.00$200.00$0.001200$0.020000
100K requests/mo$120.00$2,000.00$0.001200$0.020000
1M requests/mo$1,200.00$20,000.00$0.001200$0.020000

Green values indicate the lower-cost option at each volume tier. Cost per request is calculated at 1,000 input + 500 output tokens using standard (non-batch, non-cached) pricing.

Price History

Input price per 1M tokens

When to Choose GPT-4.1 mini

by OpenAI

  • Customer support
  • Data extraction
  • General chatbot

Input / 1M tokens

$0.40/M

Output / 1M tokens

$1.60/M

Context window

1,047,576

Tier

mid

When to Choose GPT Chat Latest

by OpenAI

  • General chatbot

Input / 1M tokens

$5.00/M

Output / 1M tokens

$30.00/M

Context window

400,000

Tier

premium

Key Differences Beyond Price

Cost is only one factor in choosing an AI model. Context window size, rate limits, supported features, and latency all affect whether a model fits your use case.

CapabilityGPT-4.1 miniGPT Chat Latest
Context window1,047,576 tokens400,000 tokens
Max output tokens32,768 tokens128,000 tokens
Performance tierMidPremium
Vision / image inputYesYes
Function callingYesYes
JSON modeYesYes
Prompt cachingYesNo
Batch API (50% discount)YesNo
Extended reasoningNoNo
Fine-tuningNoNo
Rate limit (req/min)10,000Not published

GPT-4.1 mini notes

Strong mid-tier option with 1M token context at competitive pricing.

Frequently Asked Questions

Is GPT-4.1 mini cheaper than GPT Chat Latest?

At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), GPT-4.1 mini costs $120.00/month versus $2,000.00/month for GPT Chat Latest — a 94% saving. Your actual savings will vary based on your token profile; output-heavy workloads amplify differences in output pricing.

Which model has a larger context window, GPT-4.1 mini or GPT Chat Latest?

GPT-4.1 mini has a larger context window at 1,047,576 tokens, compared to 400,000 tokens for GPT Chat Latest. A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.

Do GPT-4.1 mini and GPT Chat Latest support the Batch API?

GPT-4.1 mini supports the Batch API (50% discount for async processing), while GPT Chat Latest does not. If your workload tolerates up to 24-hour latency, routing to GPT-4.1 mini with batch pricing could significantly cut costs versus GPT Chat Latest's standard rate.

Which model offers better prompt caching?

GPT-4.1 mini supports prompt caching at $0.10/M for cached input, while GPT Chat Latest does not offer prompt caching. For RAG applications or chatbots with large, repeated context, GPT-4.1 mini's caching capability can substantially reduce effective costs.

What are the best use cases for GPT-4.1 mini vs GPT Chat Latest?

Both models are well-suited for General chatbot. GPT-4.1 mini is particularly strong for Customer support, Data extraction. GPT Chat Latest is favored for similar workflows. At the same quality level, the lower-cost model is usually preferable; use this page's calculator to compare total monthly spend at your volume.

What is the cost per request for GPT-4.1 mini vs GPT Chat Latest?

At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — GPT-4.1 mini costs $0.001200 per request and GPT Chat Latest costs $0.020000 per request. At 100,000 requests/month, that translates to $120.00 and $2,000.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.

GPT-4.1 mini vs GPT Chat Latest: Summary

When comparing GPT-4.1 mini and GPT Chat Latest for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. GPT-4.1 mini offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $120.00/month, compared to $2,000.00/month for GPT Chat Latest.

Both models are priced in USD per million tokens, the standard unit across all major AI API providers. GPT-4.1 mini charges $0.40/M for input tokens and $1.60/M for output tokens. GPT Chat Latest charges $5.00/M input and $30.00/M output. If your workload is output-heavy (more tokens generated than consumed as input), the model with the lower output price compounds cost savings significantly at scale.

Prompt caching is supported by GPT-4.1 mini but not GPT Chat Latest. For workloads with large, repeated system prompts or document context — such as RAG pipelines or multi-turn conversations with a fixed knowledge base — prompt caching can reduce effective input costs by 60–90%, which may change the cost ranking between these two models at your specific usage pattern.

Context window capacity differs between the two: GPT-4.1 mini supports up to 1,047,576 tokens in a single request, versus 400,000 tokens for GPT Chat Latest. A larger context window is essential for document summarization, large codebase analysis, and multi-document retrieval-augmented generation (RAG) applications.

Use the interactive calculator at the top of this page to enter your actual token usage and monthly request volume for a precise cost comparison tailored to your workload. Adjust for batch API discounts and prompt caching to find the most cost-effective option for your specific deployment.

Explore other model comparisons from the same providers or performance tiers.

Related Provider Pages

View complete pricing tables and model lineups for the providers behind these models.

Relevant Use Cases

See cost recommendations for workloads where GPT-4.1 mini or GPT Chat Latest is recommended.