Anthropic · Model identity
Claude Sonnet 4.6
First-party standard text-token pricing.
3pricing routes
What published route metadata supports
CachingFile inputReasoningStructured outputTool useVisionWeb search
Input modalities
FilesImageText
Supported API parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffAug 2025
Open weightsNot independently verified
OpenRouter catalog date2026-02-17
First-party metadata verified Aug 26, 2026. Unfilled fields remain unknown. LLMPrice does not infer release dates, knowledge cutoffs, open-weight status, or licenses from a model name, repository link, or pricing route.
Route savings
Cheapest on bothCheapest standard route
Direct API + OpenRouterLowest published standard input and output rates for this model.
Input$3 / 1MDirect API + OpenRouterTied for the lowest published rate
Output$15 / 1MDirect API + OpenRouterTied for the lowest published rate
Based on current published standard rates. Batch, long-context, and other special billing variants are excluded from this summary.
Could this workload cost less?Compare Claude Sonnet 4.6 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| Direct APIStandard | claude-sonnet-4-6 | $3 | $0.3 | $15 | 1M | Official provider ↗ |
| OpenRouterBatch | anthropic/claude-sonnet-4.6:batch | $1.5 | $0.15 | $7.5 | 1M | OpenRouter API ↗ |
| OpenRouterStandard | anthropic/claude-sonnet-4.6 | $3 | $0.3 | $15 | 1M | OpenRouter API ↗ |
Tracking since Aug 26, 2026
No verified price changes have been recorded since tracking began on Aug 26, 2026. The Aug 26, 2026 catalog is the baseline; LLMPrice does not invent or backfill older prices.
See all verified price changes →