head-to-head · model vs model

Claude Sonnet 4 vs DeepSeek V4 Flash

Live matchup data for Claude Sonnet 4 and DeepSeek V4 Flash: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.

Claude Sonnet 4 tape → · DeepSeek V4 Flash tape →

share of openrouter tokens

0.4%22.1%rank #45

as of Apr 29, 2026 · Δ vs ≥7d prior

share of openrouter tokens

10.3%2.4%rank #2

as of Jul 7, 2026 · Δ vs ≥7d prior

usage share — openrouter model rankings

Usage crossover

current leader: DeepSeek V4 Flash

source: OpenRouter model rankings · daily · 90d

through Jul 7, 2026

side by side

Spec & pricing

Side-by-side specification and pricing for Claude Sonnet 4 and DeepSeek V4 Flash.
SpecClaude Sonnet 4DeepSeek V4 Flash
VendorAnthropicDeepSeek
Homepageopenrouter.aiopenrouter.ai
Context window1M tokens1M tokens
Input price$3.00/MTok$0.09/MTok
Output price$15.00/MTok$0.18/MTok
Cache read$0.3/MTok$0.018/MTok
Price as ofJul 8, 2026 · openrouterJul 8, 2026 · openrouter

sources: provider pages · OpenRouter · GitHub · package registries

— = not tracked / not applicable

head to head

Benchmarks

Benchmark results for Claude Sonnet 4 and DeepSeek V4 Flash: best tracked score per benchmark, with result dates and sources.
BenchmarkClaude Sonnet 4DeepSeek V4 FlashSource
aa-agentic-index
16.6 index · anthropic/claude-sonnet-4
31.1 index · deepseek/deepseek-v4-flash
openrouter.ai
aa-coding-index
37.6 index · anthropic/claude-sonnet-4
56.2 index · deepseek/deepseek-v4-flash
openrouter.ai
aa-intelligence-index
28.9 index · anthropic/claude-sonnet-4
40.3 index · deepseek/deepseek-v4-flash
openrouter.ai
Aider Polyglot
61.3%May 24 · claude-sonnet-4-20250514 (32k thinking)
github.com

best tracked score per benchmark · scores are not directly comparable across benchmarks

sources linked per row

community pulse

Reddit sentiment

Reddit mention volume and sentiment for Claude Sonnet 4 and DeepSeek V4 Flash over the trailing 30 days.
SignalClaude Sonnet 4DeepSeek V4 Flash

sentiment feed pending — Reddit pulse lands with the daily crawl

source: Reddit mentions, LLM-classified sentiment · trailing 30d

awaiting first crawl

faq

Frequently asked

Is Claude Sonnet 4 more used than DeepSeek V4 Flash?
As of Jul 7, 2026, Claude Sonnet 4 shows 0.4% of OpenRouter token volume and DeepSeek V4 Flash shows 10.3% of OpenRouter token volume. The chart above tracks the full daily series with every lead change marked.
How does Claude Sonnet 4 pricing compare to DeepSeek V4 Flash?
Claude Sonnet 4 runs $3.00 per million input tokens and $15.00 per million output tokens (as of Jul 8, 2026). DeepSeek V4 Flash runs $0.09 per million input tokens and $0.18 per million output tokens (as of Jul 8, 2026). Full plan and per-token detail is in the spec table above, each with its source and capture date.
How do Claude Sonnet 4 and DeepSeek V4 Flash score on coding benchmarks?
On aa-agentic-index, Claude Sonnet 4 scores 16.6 index (—) and DeepSeek V4 Flash scores 31.1 index (—). All tracked results and their sources are in the benchmark table above.
Where does this comparison data come from?
OpenRouter public rankings (usage), provider pricing pages (plans and per-token prices), GitHub and package registries (adoption), public benchmark leaderboards, and Reddit (sentiment). Every stored datum keeps its source URL, and the tape refreshes daily. The Token Tape publishes the data without declaring a winner.

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