head-to-head · model vs model

Claude Opus 4.5 vs GPT-5.1

Live matchup data for Claude Opus 4.5 and GPT-5.1: OpenRouter usage, pricing, benchmark scores, and community sentiment, refreshed daily. No verdicts — read the tape.

Claude Opus 4.5 tape → · GPT-5.1 tape →

share of openrouter tokens

0.3%25.7%rank #45

as of May 28, 2026 · Δ vs ≥7d prior

GPT-5.1OpenAI

share of openrouter tokens

0.2%44.7%rank #49

as of Jun 9, 2026 · Δ vs ≥7d prior

usage share — openrouter model rankings

Usage crossover

source: OpenRouter model rankings · daily · 90d

through Jun 9, 2026

side by side

Spec & pricing

Side-by-side specification and pricing for Claude Opus 4.5 and GPT-5.1.
SpecClaude Opus 4.5GPT-5.1
VendorAnthropicOpenAI
Homepageopenrouter.aiopenrouter.ai
Context window200K tokens400K tokens
Input price$5.00/MTok$1.25/MTok
Output price$25.00/MTok$10.00/MTok
Cache read$0.5/MTok$0.13/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 Opus 4.5 and GPT-5.1: best tracked score per benchmark, with result dates and sources.
BenchmarkClaude Opus 4.5GPT-5.1Source
aa-agentic-index
21 index · openai/gpt-5.1
openrouter.ai
aa-coding-index
49.4 index · openai/gpt-5.1
openrouter.ai
aa-intelligence-index
36.9 index · openai/gpt-5.1
openrouter.ai
swe-bench-test
52.6%Dec 19 · sonar foundation agent claude opus 4 5
github.com
SWE-bench Verified
79.2%Dec 15 · livesweagent claude opus 4 5
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 Opus 4.5 and GPT-5.1 over the trailing 30 days.
SignalClaude Opus 4.5GPT-5.1

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 Opus 4.5 more used than GPT-5.1?
As of Jun 9, 2026, Claude Opus 4.5 shows 0.3% of OpenRouter token volume and GPT-5.1 shows 0.2% of OpenRouter token volume. The chart above tracks the full daily series with every lead change marked.
How does Claude Opus 4.5 pricing compare to GPT-5.1?
Claude Opus 4.5 runs $5.00 per million input tokens and $25.00 per million output tokens (as of Jul 8, 2026). GPT-5.1 runs $1.25 per million input tokens and $10.00 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 Opus 4.5 and GPT-5.1 score on coding benchmarks?
The tape holds 4 tracked results for Claude Opus 4.5 and 3 for GPT-5.1, but none on a shared benchmark yet — scores are listed side by side without a common baseline.
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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