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o3

OpenAI · Chat model

o3 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-o3

Input
$2.0000 / 1M tokens
Output
$8.0000 / 1M tokens
Cached input
$0.5000 / 1M tokens
Context window
100.0K

Catalog generated: Jul 13, 2026

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
$2.0000 / 1M tokens
Output
$8.0000 / 1M tokens
Cached input
$0.5000 / 1M tokens
Cache write
$2.0000 / 1M tokens
Embedding
$2.0000 / 1M tokens
Priority input
$3.5000 / 1M tokens
Priority output
$14.0000 / 1M tokens
Flex input
$1.0000 / 1M tokens
Flex output
$4.0000 / 1M tokens

Limits

Context window
100.0K
Max input tokens
200.0K
Max output tokens
100.0K
Max tokens
100.0K
Explore benchmark family Review source-backed benchmark rows for the attached base model family. 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 -
Tool choice Supported
Prompt caching Supported
Reasoning Supported
Response schema Supported
System messages -
Audio input -
Audio output -
Web search Supported
PDF input Supported
Video input -

Benchmarks

Most benchmark rows are attached to the base model family rather than this provider route. Open benchmark explorer

Benchmark Score Metric Scope Checked Source
AIME 2025 88.9% accuracy (%) Base model: o3 (OpenAI o3 (high)) 2026-05-31 Link
GPQA Diamond 83.3% accuracy (%) Base model: o3 (OpenAI o3 (high)) 2026-05-31 Link
SWE-bench Verified 69.1% accuracy (%) Base model: o3 (OpenAI o3 (high)) 2026-05-31 Link

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
o3
OpenAI
In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
100.0K
Current model
Reference row

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

Model Cost Input shape Features Context Why it is close
o3-2025-04-16
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In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
100.0K
Same provider
Overall 76%
gpt-5
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Same provider
Overall 62%
gpt-5-2025-08-07
OpenAI
In $1.2500 / 1M tokens
Out $10.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Same provider
Overall 62%
gpt-5.4
azure_ai
In $2.5000 / 1M tokens
Out $15.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Exact I/O shape
Overall 61%
gpt-5.4-2026-03-05
azure_ai
In $2.5000 / 1M tokens
Out $15.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Exact I/O shape
Overall 61%
gpt-5.6-terra
OpenAI
In $2.5000 / 1M tokens
Out $15.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Same provider
Overall 61%
gpt-5.6-luna
OpenAI
In $1.0000 / 1M tokens
Out $6.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Same provider
Overall 60%
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 60%
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 60%
gemini-3-pro-preview
Google
In $2.0000 / 1M tokens
Out $12.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
65.5K
Exact I/O shape
Overall 60%
GPT-4.1
OpenAI
In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
32.8K
Same provider
Overall 58%
gpt-4.1-2025-04-14
OpenAI
In $2.0000 / 1M tokens
Out $8.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
32.8K
Same provider
Overall 58%
gpt-5.4-mini
azure_ai
In $0.7500 / 1M tokens
Out $4.5000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Exact I/O shape
Overall 57%
gpt-5.5
Azure AI
In $5.0000 / 1M tokens
Out $30.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Exact I/O shape
Overall 54%
gpt-5.5-2026-04-23
Azure AI
In $5.0000 / 1M tokens
Out $30.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
128.0K
Exact I/O shape
Overall 54%
gpt-5.2-chat-latest
OpenAI
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
16.4K
Same provider
Overall 53%
gpt-5.3-chat-latest
OpenAI
In $1.7500 / 1M tokens
Out $14.0000 / 1M tokens
pdf
Output: text
VisionFunction callingTool choicePrompt caching
16.4K
Same provider
Overall 53%

Sources

Source links
Pricing dataLiteLLM model cost map
Synced at2026-05-28
Catalog generated2026-07-13T14:21:55.110Z