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gpt-5.3-chat-latest

OpenAI · Chat model

gpt-5.3-chat-latest is listed here as a chat model from OpenAI. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.

Provider and model identifiers are kept in their original form for accuracy.

openai-gpt-5-3-chat-latest

Input
$1.7500 / 1M tokens
Output
$14.0000 / 1M tokens
Cached input
$0.1750 / 1M tokens
Context window
16.4K
Compare this model Open a side-by-side table using this route and a close match from the current catalog. Estimate cost Use token counts, request volume, and cache assumptions to check a realistic monthly bill.

Quick read

Best for

Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.

Things to verify

Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.

Pricing

Item Price
Input
$1.7500 / 1M tokens
Output
$14.0000 / 1M tokens
Cached input
$0.1750 / 1M tokens
Cache write
$1.7500 / 1M tokens
Embedding
$1.7500 / 1M tokens
Priority input
$3.5000 / 1M tokens
Priority output
$28.0000 / 1M tokens

Limits

Context window
16.4K
Max input tokens
128.0K
Max output tokens
16.4K
Max tokens
16.4K
Explore benchmarks Review benchmark rows by family and benchmark label without cross-benchmark ranking. Check data sources See how pricing data is generated and what still needs provider verification. API vs subscription Learn when API pricing matters compared with ChatGPT, Claude Code, Cursor, or Copilot subscriptions. Cache and batch pricing Understand cached input, cache write, batch, priority, and flex pricing rows shown on this page.

Capabilities

Capability Supported
Vision Supported
Function calling Supported
Parallel function calling Supported
Tool choice Supported
Prompt caching Supported
Reasoning Supported
Response schema Supported
System messages Supported
Audio input -
Audio output -
Web search Supported
PDF input Supported
Video input -

Similar models

Candidates below have the same known input/output modality shape and usable token pricing. Use the filters to change the ranking lens before opening a comparison.

Comparing from
Model Cost Input shape Features Context Why it is close
gpt-5.3-chat-latest
OpenAI
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
16.4K
Current model
Reference row

Overall blends cost, exact modality shape, capabilities, and context.

Model Cost Input shape Features Context Why it is close
gpt-5.2-chat-latest
OpenAI
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
16.4K
Same provider
Overall 76%
gpt-5.2-chat
Azure
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
16.4K
Exact I/O shape
Overall 74%
gpt-5.2-chat-2025-12-11
Azure
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
16.4K
Exact I/O shape
Overall 74%
gpt-5.3-chat
Azure
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
16.4K
Exact I/O shape
Overall 74%
gpt-5-chat
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionPrompt cachingReasoningResponse schema
16.4K
Same provider
Overall 60%
gpt-5-chat-latest
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionPrompt cachingReasoningResponse schema
16.4K
Same provider
Overall 60%
GPT-4.1
OpenAI
In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
32.8K
Same provider
Overall 60%
gpt-4.1-2025-04-14
OpenAI
In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
32.8K
Same provider
Overall 60%
gpt-5.4
azure_ai
In $2.5000 / 1M tokens
Out $15.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 59%
gpt-5.4-2026-03-05
azure_ai
In $2.5000 / 1M tokens
Out $15.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 59%
gpt-5
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Same provider
Overall 57%
gpt-5-2025-08-07
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Same provider
Overall 57%
gemini-3-pro-preview
vertex_ai-language-models
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Exact I/O shape
Overall 56%
gemini-3-pro-preview
Vertex AI
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Exact I/O shape
Overall 56%
gpt-5.5
Azure AI
In $5.0000 / 1M tokens
Out $30.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 51%
gpt-5.5-2026-04-23
Azure AI
In $5.0000 / 1M tokens
Out $30.0000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 51%
gpt-5.4-mini
azure_ai
In $0.7500 / 1M tokens
Out $4.5000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 50%
gpt-5.4-mini-2026-03-17
azure_ai
In $0.7500 / 1M tokens
Out $4.5000 / 1M tokens
pdf
Output: text
VisionFunction callingParallel function callingTool choice
128.0K
Exact I/O shape
Overall 50%

Sources

Source links
Pricing dataLiteLLM model cost map
Synced at2026-05-28
Catalog generated2026-07-07T08:19:07.388Z