Releasesby GlyphNovember 2026
Perplexity added an ultra effort level option to its Agent API, designed for broad research and data-gathering tasks using Claude Opus 5.5, with support for background execution mode.
Perplexity API Release notes from Perplexity
13 releases · 3 this month
November 2026
Decisions API: URL fetching and page freshness Pass a page URL as state with mode: "web_grounding" to fetch its text before searching. The fetched text replaces the URL before search. The response returns the page in fetched_results and search evidence in search_results . Set max_staleness to the maximum page age in seconds since its last crawl.
November 2026
Analytics API: credit-usage response update For dataset=credit_usage , responses from /v1/analytics/computer/usage and /v2/analytics/computer/usage currently omit the Credit Source breakdown. Total credit usage and the Model breakdown remain available. If your integration expects a fixed set of breakdowns, update it to read the returned categories list.
October 2026
Perplexity updated effort levels in the Agent API, increasing maximum token limits, expanding search step maximums, and updating backend models.
October 2026
The Agent API has renamed the preset parameter to effort. This is a naming change only, and existing configurations remain functional.
October 2026
Tool approvals for MCP and connector calls Set require_approval on an mcp or connector tool to review calls before they run. A call that needs approval returns an mcp_approval_request item and does not run. To approve or deny it, send an mcp_approval_response with previous_response_id .
October 2026
Older models removed from the model docs; GPT-6 Astra and DeepSeek V4 Pro added The following models are no longer listed in the Agent API model docs, pricing calculator, or examples: Anthropic: anthropic/claude-opus-4-8 , anthropic/claude-opus-4-7 , anthropic/claude-opus-4-6 , anthropic/claude-opus-4-5 , anthropic/claude-sonnet-4-6 ...
October 2026
Decisions API: pplx-decider-v1.2 and pplx-decider-flash-v1.2 pplx-decider-v1.2 replaces pplx-decider-v1.1-27b as the 27B decision model, at $0.02 per million input tokens. pplx-decider-flash-v1.2 is a new 4B decision model at $0.01 per million input tokens. Both accept text and images and use the same request limits. Output tokens stay free.
October 2026
Gemini 4 Argon The Agent API now supports google/gemini-4-argon . Introductory pricing through November 30, 2026 is $2.00 per million input tokens, $0.10 per million cached input tokens, and $10.00 per million output tokens, including reasoning tokens. See the Agent API Models reference .
October 2026
Claude Haiku 5.5 The Agent API now supports anthropic/claude-haiku-5-5 . Requests with more than 100k input tokens use higher rates. See the Agent API Models reference .
September 2026
Fast Search Set search_type: "fast" on the Search API or the Agent API web_search tool to use a lower-latency search path. Fast Search costs $1.00 per 1,000 Search API requests or web_search invocations, with model tokens billed separately for Agent API. Set search_type: "web" for standard web search. See Search API Fast Search or Agent API Web Search .
August 2026
GLM 5.3 The Agent API and Router API now support perplexity/glm-5.3 at $1.40 per million uncached-input tokens, $0.26 per million cached-input tokens, and $4.40 per million output tokens. See the Agent API Models reference or the Router model catalog .
July 2026
GPT-5.6 price cuts and Sol Fast mode GPT-5.6 Luna now costs $0.20 per million input tokens and $1.20 per million output tokens. GPT-5.6 Terra now costs $2 per million input tokens and $12 per million output tokens. GPT-5.6 Sol now supports Fast mode at 2× standard token pricing; send service_tier: "priority" to use it.
About and activity
The Sonar models and the Perplexity API.
Releases per month
2Aug
1Sep
7Oct
3Nov
Official release-notes pages 1
| Release-notes page | Site | Feed |
|---|---|---|
| Changelog docs.perplexity.ai | docs.perplexity.ai | None |