Command A Reasoning vs Sonar Deep Research

At a Glance

Compare
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$2.00Openrouter · Sep 22, 2026
Output priceFrom · USD / 1M tokensNot reported$8.00Openrouter · Sep 22, 2026
Context windowMaximum documented tokens256K128K
Model facts checkedSep 3, 2026View model evidence →Aug 29, 2026View model evidence →

Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →

Available Benchmarks

All benchmark results →
No Protocol-Matched Benchmark Yet.Results appear here only when both models share the same benchmark version, metric, evaluation protocol, and evidence class.

Side-by-Side Facts

FieldCommand A ReasoningSonar Deep Research
DeveloperCoherePerplexity
FamilyCommand ASonar
ModelCommand A ReasoningSonar Deep Research
VersionCommand A ReasoningSonar Deep Research
Lifecycleactiveactive
Released2025-08-21Unknown
Knowledge cutoff2024-06-01Unknown
Input modalitiesTextText
Output modalitiesTextText
Context window256K128K
Total parameters111BUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessCohere (Standard)Openrouter (Standard), Perplexity (Standard)
Capabilitiesagents, chat, citations, reasoning, rag, structured_outputs, toolschat, citations, reasoning, research, search

Command A Reasoning Capabilities

agentschatcitationsreasoningragstructured outputstools
Serving providers1
Canonical IDcoherelabs/command-a-reasoning-08-2025

Sonar Deep Research Capabilities

chatcitationsreasoningresearchsearch
Serving providers2
Canonical IDperplexity/sonar-deep-research

Primary Evidence

Sources and Freshness

Questions

Command A Reasoning vs Sonar Deep Research FAQs

Is Command A Reasoning or Sonar Deep Research better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Command A Reasoning and Sonar Deep Research, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Command A Reasoning or Sonar Deep Research?+

Only Sonar Deep Research has a directly sourced input price: $2.00 per million tokens. Only Sonar Deep Research has a directly sourced output price: $8.00 per million tokens.

Which has a larger context window, Command A Reasoning or Sonar Deep Research?+

Command A Reasoning has the larger sourced context window. Command A Reasoning supports 256K and Sonar Deep Research supports 128K.

Which performs better in benchmarks, Command A Reasoning or Sonar Deep Research?+

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Can Command A Reasoning or Sonar Deep Research be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. Command A Reasoning is not marked open weight; Sonar Deep Research is not marked open weight.

Can Command A Reasoning and Sonar Deep Research understand images?+

Command A Reasoning is not documented with image input; Sonar Deep Research is not documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Command A Reasoning or Sonar Deep Research?+

Neither has a larger sourced maximum output. Command A Reasoning is 32K and Sonar Deep Research is —.

Do Command A Reasoning and Sonar Deep Research support reasoning and tool use?+

Command A Reasoning: reasoning and tool calling. Sonar Deep Research: reasoning. Feature support does not establish relative quality.

Which is available from more inference providers, Command A Reasoning or Sonar Deep Research?+

Command A Reasoning has 1 sourced provider route; Sonar Deep Research has 2, so Sonar Deep Research has broader tracked availability.

Which offers better value, Command A Reasoning or Sonar Deep Research?+

There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.

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