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function-calling

Available in 33 models across 2 providers

Providers

Google
OpenAI

Models with this Capability

gemini-2.5-pro-preview-05-06

Google · Gemini 2.5

preview

Input

1.0M tokens

Output

65.5K tokens

Input Cost

$1.25/1M

Output Cost

$10.00/1M

Exceptional at:

Complex reasoning
Multimodal
+1
Multimodal input
Long context
Function calling
+6

gemini-2.5-flash-preview-04-17

Google · Gemini 2.5

preview

Input

1.0M tokens

Output

65.5K tokens

Input Cost

$0.15/1M

Output Cost

$0.60/1M

Exceptional at:

Affordable
Thinking
Multimodal input
Long context
Function calling
+5

gemini-2.0-flash

Google · Gemini 2.0

GA

Input

1.0M tokens

Output

8.2K tokens

Input Cost

$0.10/1M

Output Cost

$0.40/1M

Exceptional at:

speed
realtime streaming
Multimodal input
Long context
Function calling
+6

gemini-2.0-flash-lite

Google · Gemini 2.0

GA

Input

1.0M tokens

Output

8.2K tokens

Input Cost

$0.07/1M

Output Cost

$0.30/1M

Exceptional at:

cost efficiency
low latency
Multimodal input
Long context
Function calling
+2

gemini-1.5-pro

Google · Gemini 1.5

GA

Input

2.1M tokens

Output

8.2K tokens

Input Cost

$1.25/1M

Output Cost

$5.00/1M

Exceptional at:

complex reasoning
long context processing
Multimodal input
Long context
Function calling
+4

gemini-1.5-flash

Google · Gemini 1.5

GA

Input

1.0M tokens

Output

8.2K tokens

Input Cost

$0.07/1M

Output Cost

$0.30/1M

Exceptional at:

fast performance
versatile tasks
Multimodal input
Long context
Function calling
+5

gemini-1.5-flash-8b

Google · Gemini 1.5

GA

Input

1.0M tokens

Output

8.2K tokens

Input Cost

$0.04/1M

Output Cost

$0.15/1M

Exceptional at:

high volume
cost efficiency
Multimodal input
Long context
Function calling
+5

gemini-2.0-flash-live-001

Google · Gemini 2.0

preview

Input

1.0M tokens

Output

8.2K tokens

Input Cost

$7.00/1M

Output Cost

$21.00/1M

Exceptional at:

low latency
bidirectional interaction
Multimodal input
Long context
Function calling
+4

GPT-4 Turbo

OpenAI · GPT-4

Default

Input

128K tokens

Output

4.1K tokens

Input Cost

$10.00/1M

Output Cost

$30.00/1M

Text Generation
Image Input Processing
Streaming
+1

gpt-4.1-2025-04-14

OpenAI · GPT-4

Available

Input

1.0M tokens

Output

32.8K tokens

Input Cost

$2.00/1M

Output Cost

$8.00/1M

Exceptional at:

complex tasks
problem solving across domains
Complex tasks
Problem solving across domains
Streaming
+5

GPT-4.1 mini

OpenAI · GPT-4.1 mini

Available

Input

1.0M tokens

Output

32.8K tokens

Input Cost

$0.40/1M

Output Cost

$1.60/1M

Text processing
Image understanding
Streaming
+3

GPT-4.1 nano

OpenAI · GPT-4.1

Available

Input

1.0M tokens

Output

32.8K tokens

Input Cost

$0.10/1M

Output Cost

$0.40/1M

Exceptional at:

Very fast speed
Streaming
Function calling
Structured outputs
+3

GPT-4o

OpenAI · GPT-4o

Available

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

Versatility
Higher intelligence
+3
Text input
Image input
Text output
+6

GPT-4o

OpenAI · GPT-4o

Available

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

Versatility
Higher intelligence
+3
Text input
Image input
Text output
+6

GPT-4o

OpenAI · GPT-4o

Available

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

Versatility
Higher intelligence
+3
Text input
Image input
Text output
+6

GPT-4o

OpenAI · GPT-4o

Available

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

Versatility
Higher intelligence
+3
Text input
Image input
Text output
+6

GPT-4o Audio Preview

OpenAI · GPT-4o Audio

Preview

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

High intelligence
Audio input
Audio output
Text input
+3

GPT-4o Audio Preview (2024-10-01)

OpenAI · GPT-4o Audio

Preview

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

High intelligence
Audio input
Audio output
Text input
+3

GPT-4o Audio Preview (2024-12-17)

OpenAI · GPT-4o Audio

Preview

Input

128K tokens

Output

16.4K tokens

Input Cost

$2.50/1M

Output Cost

$10.00/1M

Exceptional at:

High intelligence
Audio input
Audio output
Text input
+3

GPT-4o mini

OpenAI · GPT-4o mini

Available

Input

128K tokens

Output

16.4K tokens

Input Cost

$0.15/1M

Output Cost

$0.60/1M

text input
image input
text output
+4

GPT-4o mini Realtime

OpenAI · GPT-4o mini Realtime

Preview

Input

128K tokens

Output

4.1K tokens

Input Cost

$0.60/1M

Output Cost

$2.40/1M

Exceptional at:

Realtime audio interaction
Realtime text interaction
+1
realtime interaction
text input
audio input
+3

gpt-4o-mini-realtime-preview

OpenAI · GPT-4o mini Realtime

Alias

Input

128K tokens

Output

4.1K tokens

Input Cost

$0.60/1M

Output Cost

$2.40/1M

Exceptional at:

Realtime audio interaction
Realtime text interaction
+1
realtime interaction
text input
audio input
+3

gpt-4o-mini-realtime-preview-2024-12-17

OpenAI · GPT-4o mini Realtime

Snapshot

Input

128K tokens

Output

4.1K tokens

Input Cost

$0.60/1M

Output Cost

$2.40/1M

Exceptional at:

Realtime audio interaction
Realtime text interaction
+1
realtime interaction
text input
audio input
+3

GPT-4o Realtime

OpenAI · GPT-4o Realtime

Preview

Input

128K tokens

Output

4.1K tokens

Input Cost

$5.00/1M

Output Cost

$20.00/1M

Exceptional at:

realtime multimodal interaction (text and audio)
complex understanding
realtime text processing
realtime audio processing
function calling
+2

GPT-4o Realtime (2024-10-01)

OpenAI · GPT-4o Realtime

Available

Input

128K tokens

Output

4.1K tokens

Input Cost

$5.00/1M

Output Cost

$20.00/1M

Exceptional at:

realtime multimodal interaction (text and audio)
complex understanding
realtime text processing
realtime audio processing
function calling
+2

GPT-4o Realtime (2024-12-17)

OpenAI · GPT-4o Realtime

Available

Input

128K tokens

Output

4.1K tokens

Input Cost

$5.00/1M

Output Cost

$20.00/1M

Exceptional at:

realtime multimodal interaction (text and audio)
complex understanding
realtime text processing
realtime audio processing
function calling
+2

o1

OpenAI · o1

Active

Input

200K tokens

Output

100K tokens

Input Cost

$15.00/1M

Output Cost

$60.00/1M

Exceptional at:

Complex reasoning
Reasoning
Streaming
Function calling
+2

o1-2024-12-17

OpenAI · o1

Active

Input

200K tokens

Output

100K tokens

Input Cost

$15.00/1M

Output Cost

$60.00/1M

Exceptional at:

Complex reasoning
Reasoning
Streaming
Function calling
+2

o1-pro

OpenAI · o1

available

Input

200K tokens

Output

100K tokens

Input Cost

$150.00/1M

Output Cost

$600.00/1M

Exceptional at:

Reasoning
Reasoning token support
Function calling
Structured outputs
+9

o3

OpenAI · o3

Default

Input

200K tokens

Output

100K tokens

Input Cost

$10.00/1M

Output Cost

$40.00/1M

Exceptional at:

math
science
+7
math
science
coding
+9

o3-2025-04-16

OpenAI · o3

Available

Input

200K tokens

Output

100K tokens

Input Cost

$10.00/1M

Output Cost

$40.00/1M

Exceptional at:

math
science
+7
math
science
coding
+9

o3-mini

OpenAI · o3

Default

Input

200K tokens

Output

100K tokens

Input Cost

$1.10/1M

Output Cost

$4.40/1M

Exceptional at:

Reasoning
High intelligence
Structured Outputs
Function calling
Batch API
+5

o4-mini

OpenAI · o-series

available

Input

200K tokens

Output

100K tokens

Input Cost

$1.10/1M

Output Cost

$4.40/1M

Exceptional at:

coding
visual tasks
Reasoning
Coding
Visual tasks
+6

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