Models/Anthropic/Claude Opus 5

Claude Opus 5

✓ VERIFIED BY ANTHROPIC
Anthropic · Proprietary · Released Jul 24, 2026 · anthropic/claude-opus-5
Best $5.00 in / $25.00 out via Anthropic
CompareEstimate cost
1M contextVisionToolsReasoningStructured outputPrompt caching
Available from 13 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 9 MINUTES AGO
EST. MONTHLY COSTclick a row for detail · click headers to sort
PROVIDERINPUTOUTPUTCACHECONTEXTQUANTTTFTTPSUPTIME
TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured against the provider API directly; ° = routed via OpenRouter (adds a hop) · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 9 minutes ago
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Quality benchmarksCURATED AUG 24, 2026
SWE-bench Verified97%INDEPENDENTVals bash-only harness, pass@1; BenchLM lists 96.0source ↗ 2026-08-19
LMArena Elo1493INDEPENDENTEntry: claude-opus-5-highsource ↗ 2026-08-21
Humanity's Last Exam54.9%INDEPENDENTText-only pass@1source ↗ 2026-08-24
Third-party reported results, hand-curated with sources — not measured by ModelIndex. Our own measured serving data (TTFT/TPS/SMOKE) is in the providers table above.
Pricing variants · USD / MTok in / out
STANDARD
$5.00 / $25.00
per MTok in / out
BATCH
$2.50 / $12.50
async batch
CACHE READ $0.50CACHE WRITE $6.25WEB SEARCH $0.01 / searchCACHE WRITE 1H $10.00 / MTok
Recent changesRSS ↗
Sep 23, 2026endpoint added · cheaperinference11 → 13
About

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...

Specifications
Context window1,000,000
Max output128,000
Modalities intext, image, file
Modalities outtext
LicenseProprietary
ReleasedJul 24, 2026
TokenizerClaude
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Claude Opus 5 price and speed badge
[![Claude Opus 5](https://modelindex.ai/badge/anthropic/claude-opus-5)](https://modelindex.ai/models/anthropic/claude-opus-5)
Sources
anthropic ↗23 minutes ago
OFFICIAL PRICING
OpenRouter API23 minutes ago
AGGREGATOR
LiteLLM dataset23 minutes ago
AGGREGATOR
ModelIndex benchmarks15 minutes ago
MEASURED
✓ Verified against Anthropic’s own source.
Verified 23 minutes ago · list prices, not negotiated rates.