Claude Opus 4.8 Think
Claude Opus 4.8 Think is Anthropic's language model with a 1.0M context window and up to 128K output tokens, starting at $5.00 / 1M input and $25.00 / 1M output. A top-tier reasoning LLM in the Claude Opus line with an explicit extended-thinking mode for complex multi-step problem solving.
Capabilities
Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | |||
|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | Cache Write 5m $ / 1M | |
| $5.00 | $25.00 | $0.5 | $6.25 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Claude Opus 5.5 | 1.0M | $4.00 | $0.200 | Available | |
| Claude Opus 5 | 1.0M | $5.00 | $0.500 | Deprecating | |
| Claude Opus 4.8 | 1.0M | $5.00 | $0.500 | Available | |
| Claude Opus 4.7 | 1.0M | $5.00 | $0.500 | Available | |
| Claude Opus 4.6 | 1.0M | $5.00 | $0.500 | Deprecated | |
| Claude Opus 4.5 | 410K | $5.00 | $0.500 | Deprecating | |
| Claude Opus 4.1 | 200K | $15.00 | $1.50 | Deprecated | |
| Claude Opus 4 | 410K | $5.00 | $1.50 | Deprecated | |
| Claude Opus 4.8 Think | — | 1.0M | $5.00 | $25.00 | Current |
| Claude Opus 4.6 Adaptive | — | — | — | — | Available |
| Claude Opus 4.5 | — | — | — | — | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Claude Fable 5.1 | — | 1.0M | $10.00 | $0.250 | |
| Claude Sonnet 5 | Sonnet | 1.0M | $2.00 | $0.200 | |
| Claude Fable 5 | Fable | 1.0M | $10.00 | $1.00 | |
| Claude Fable 5.3 | Fable | — | — | — | — |
| Claude Mythos 5 | Mythos | — | 1.0M | $10.00 | $1.00 |
| Claude Mythos 5.1 | Mythos | — | 1.0M | $10.00 | $0.250 |
| Claude Sonnet 4.6 | Sonnet | 1.0M | $3.00 | $0.300 | |
| Claude Haiku 4.5 | Haiku | 200K | $1.00 | $0.100 | |
| Claude Sonnet 4.5 | Sonnet | 1.0M | $3.00 | $0.300 | |
| Claude Sonnet 4 | Sonnet | 1.0M | $3.00 | $0.300 |