OpenAI

GPT Chat Latest

$5.00 per 1M input tokens and $30.00 per 1M output tokens · 400K context · vision, tools, JSON.

Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026

$5.00
input / 1M tokens
$30.00
output / 1M tokens
$0.50
cached input / 1M
400K
context window
128K
max output

What GPT Chat Latest costs per month

Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.

WorkloadPer month
Customer chatbot
1,000 conversations a day, 8 turns each
$3,348
Document Q&A (RAG)
500 questions a day over retrieved documents
$635
Coding / tool-using agent
200 tasks a day, long tool-heavy contexts
$1,305
Content generation
30 long articles a day
$81.00
Classification / extraction
100,000 short items a day
$5,850

Price history

We started tracking GPT Chat Latest on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.

Cheaper alternatives to GPT Chat Latest

Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.

Cheaper alternatives to GPT Chat Latest
Model Input / 1M Output / 1M Context Capabilities
Claude Opus 5.5
Anthropic
$4.00 $20.00 1M visiontoolsreasoningJSON
Claude Sonnet 5.5
Anthropic
$2.00 $10.00 1M visiontoolsreasoningJSON
Gemini 4 Argon
Google
$2.00 $10.00 1.05M visionaudiotoolsreasoningJSON
GPT-6.1 Sol
OpenAI
$2.00 $10.00 1.05M visiontoolsreasoningJSON
$1.25 $4.25 1.05M visiontoolsreasoningJSON

How to pay less for GPT Chat Latest

For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $4,320 a month at list price without caching:

OptionPer monthYou save
Move to Claude Opus 5.5 (similar capabilities)$2,299$2,021 (47%)
Use prompt caching (60% of input cached)$3,348$972 (22%)

Other workloads: cut-your-bill tool for GPT Chat Latest.

Specifications

Model IDopenai/gpt-chat-latest
Inputtext, image, file
Outputtext
Tool callingYes
Structured outputYes
Reasoning modeNo
Open weightsNo
ReleasedMay 5, 2026
Web search$0.01 per request

FAQ

How much does GPT Chat Latest cost?
$5.00 per million input tokens and $30.00 per million output tokens; cached input costs $0.50 per million. Prices as of Oct 21, 2026.
What is the context window of GPT Chat Latest?
400K tokens, with up to 128K output tokens per response.
Does GPT Chat Latest support images, tools and structured output?
Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: no.
What are cheaper alternatives to GPT Chat Latest?
Models with the same key capabilities for at least 20% less include Claude Opus 5.5 ($4.00 / $20.00), Claude Sonnet 5.5 ($2.00 / $10.00), Gemini 4 Argon ($2.00 / $10.00).

More from OpenAI: all OpenAI models · how we collect prices