Claude Instant is Anthropic's language model. A fast, cost-efficient early Claude model designed for high-throughput, low-latency conversational and text tasks.
Specifications
Canonical IDanthropic-claude-instant
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Input ModalitiesText
Output ModalitiesText
Benchmarks
Intelligence Index
2.1
#479
Coding Index
7.8
#148
MMLU-Pro
0.4
#288
GPQA
0.3
#419
HLE
0.0
#431
LiveCodeBench
0.1
#294
AIME
0.0
#165
Time to First Token
0.00s
#100
MATH-500
0.3
#187
Output TPS
0.0
#220

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Opus 5.3Available
Claude Sonnet 5.3Available
Claude Opus 51.0M$5.00$25.00Available
Claude Opus 5 Fast1.0M$10.00$50.00Available
Claude Sonnet 51.0M$2.00$10.00Available
Claude Fable 51.0M$10.00$50.00Available
Claude Fable 5.3Available
Claude Mythos 51.0M$10.00$50.00Available
Claude Opus 5 Claude Opus 4.8$50.00Available
Claude Opus 4.81.0M$5.00$25.00Available
Claude InstantCurrent

Model IDs

anthropic-claude-instant
claude-instant