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Claude Sonnet 5vsSonar Pro

Claude Sonnet 5 and Sonar Pro do not yet share a public benchmark, so quality cannot be compared apples-to-apples. Claude Sonnet 5 is 1.5x cheaper per token. Claude Sonnet 5 has the larger context window (1M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0
no overlap yet
Cheaper per token
Claude Sonnet 5
1.5x cheaper, input + output
Larger context
Claude Sonnet 5
1M tokens
Provider uptime (30d)
100% · 100%
Anthropic · Perplexity
Claude Sonnet 5
Anthropic · released 2026-06-30
textvision
Context
1M
Max out
128K
Input /1M
$2
Output /1M
$10
Cached /1M
$0.2
Scores
8 · 8 core
Sonar Pro
Perplexity · released 2025-01-21
text
Context
200K
Max out
Input /1M
$3
Output /1M
$15
Cached /1M
Scores
1 · 0 core
Quality

Benchmark matrix

BenchmarkClaude Sonnet 5Sonar ProΔEdge
Reported by both · 0
No public benchmark is reported for both models yet.
Only Claude Sonnet 5 reports · 8
SWE-bench Verified85.2% not reported
GPQA Diamond90.5% epochnot reported
Humanity's Last Exam (no tools)43.2% not reported
FrontierMath Tier 4 v2 (Epoch AI run)29.3% epochnot reported
FrontierMath Tiers 1-3 v2 (Epoch AI run)65.6% epochnot reported
Humanity's Last Exam (with tools)57.4% not reported
OTIS Mock AIME 2024-2025 (Epoch AI run)94.7% epochnot reported
SimpleQA Verified33.7% epochnot reported
Only Sonar Pro reports · 1
SimpleQA F-scorenot reported85.8%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Sonnet 5 minus Sonar Pro in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecClaude Sonnet 5Sonar ProEdge
Context window1M tokens200K tokensClaude Sonnet 5
Max output128K tokens
Input price / 1M$2 $3 Claude Sonnet 5
Output price / 1M$10 $15 Claude Sonnet 5
Cached input / 1M$0.2
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$12$18Claude Sonnet 5
Modalitiestext · visiontextClaude Sonnet 5
Released2026-06-302025-01-21
Cited benchmark scores81
Reliability

Provider status

All providers
More matchups

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Sonar Pro vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Claude Sonnet 5 and Sonar Pro on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.