Anthropic model product
Claude Opus 4.8
7, with reported improvements in software engineering, agentic tool use, reasoning, computer use, and knowledge work.
Updated Sep 8, 2026. Default version: Claude Opus 4.8
LLMBoard Score85.4Claude Opus 4.8
Coverage60%27 benchmark families
Context window1MTokens
Official input price$5Anthropic API
Claude Opus 4.8 Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Claude Opus 4.8 Benchmark Results
Benchmark scores for Claude Opus 4.8.
Sort by
Benchmark | Score | Rank | Participants | Percentile | Evidence | Evaluated |
|---|
| BenchmarkInclude | Score87.60% | Rank01 | Participants31 | Percentile100.00% | EvidenceC | Evaluated |
| BenchmarkDeepSearchQA | Score93.10% | Rank02 | Participants10 | Percentile88.89% | EvidenceC | Evaluated |
| BenchmarkGraphwalks parents >128k | Score83.30% | Rank02 | Participants7 | Percentile83.33% | EvidenceC | Evaluated |
| BenchmarkScreenSpot Pro | Score87.90% | Rank02 | Participants26 | Percentile96.00% | EvidenceC | Evaluated |
| BenchmarkSWE-bench Multilingual | Score84.40% | Rank02 | Participants43 | Percentile97.62% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Steerability | Score12.59% | Rank02 | Participants49 | Percentile97.92% | EvidenceA | Evaluated |
| BenchmarkOfficeQA Pro | Score66.20% | Rank03 | Participants9 | Percentile75.00% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Multimodal | Score38.40% | Rank03 | Participants4 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Pro | Score69.20% | Rank03 | Participants55 | Percentile96.30% | EvidenceC | Evaluated |
| BenchmarkSWE-Bench Verified | Score88.60% | Rank03 | Participants113 | Percentile98.21% | EvidenceC | Evaluated |
| BenchmarkFinance Agent v2 | Score53.92% | Rank04 | Participants26 | Percentile88.00% | EvidenceB | Evaluated |
| BenchmarkFrontierSWE | Score75.00% | Rank04 | Participants16 | Percentile80.00% | EvidenceB | Evaluated |
| BenchmarkOSWorld-Verified | Score83.40% | Rank04 | Participants24 | Percentile86.96% | EvidenceC | Evaluated |
| BenchmarkFrontierCode 1.1 | Score46.50% | Rank05 | Participants17 | Percentile75.00% | EvidenceB | Evaluated |
| BenchmarkGraphwalks BFS >128k | Score68.10% | Rank05 | Participants11 | Percentile60.00% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Leaderboard | Score9.17% | Rank05 | Participants49 | Percentile91.67% | EvidenceA | Evaluated |
| BenchmarkLM Arena Agent Praise Complaint | Score18.04% | Rank05 | Participants49 | Percentile91.67% | EvidenceA | Evaluated |
| BenchmarkLM Arena Document Style Control | Score1,486.56 rating | Rank05 | Participants33 | Percentile87.50% | EvidenceA | Evaluated |
| BenchmarkGPQA | Score93.60% | Rank06 | Participants247 | Percentile97.97% | EvidenceC | Evaluated |
| BenchmarkLiveBench | Score77.22% | Rank06 | Participants38 | Percentile86.49% | EvidenceB | Evaluated |
| BenchmarkMCP Atlas | Score82.20% | Rank06 | Participants34 | Percentile84.85% | EvidenceC | Evaluated |
| BenchmarkCharXiv-R | Score89.90% | Rank07 | Participants55 | Percentile88.89% | EvidenceC | Evaluated |
| BenchmarkCyberGym | Score78.80% | Rank07 | Participants15 | Percentile57.14% | EvidenceC | Evaluated |
| BenchmarkFinance Agent | Score53.90% | Rank07 | Participants8 | Percentile14.29% | EvidenceC | Evaluated |
| BenchmarkHealthBench Professional | Score55.80% | Rank07 | Participants10 | Percentile33.33% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 2.0 | Score74.60% | Rank07 | Participants51 | Percentile88.00% | EvidenceC | Evaluated |
| BenchmarkTerminal-Bench 4.0 | Score23.60% | Rank07 | Participants13 | Percentile50.00% | EvidenceB | Evaluated |
| BenchmarkHumanity's Last Exam | Score57.90% | Rank09 | Participants103 | Percentile92.16% | EvidenceC | Evaluated |
| BenchmarkLM Arena Agent Bash Recovery Steps | Score10.17% | Rank09 | Participants49 | Percentile83.33% | EvidenceA | Evaluated |
| BenchmarkLM Arena Document | Score1,474.59 rating | Rank09 | Participants33 | Percentile75.00% | EvidenceA | Evaluated |
Claude Opus 4.8 Arena Results
Preference and agent-evaluation results for the default version.
Sort by
Arena | Category | Rank | Rating / score | Votes | Observations | Result date |
|---|
| Arenaagent steerability | Categoryoverall | Rank02 | Rating / score0.13 | VotesN/A | Observations27.2K | Result date |
| Arenavision | Categoryhomework | Rank04 | Rating / score1,338.12 | Votes1,499 | ObservationsN/A | Result date |
| Arenaagent | Categoryoverall | Rank05 | Rating / score0.09 | VotesN/A | Observations1.9M | Result date |
| Arenaagent praise complaint | Categoryoverall | Rank05 | Rating / score0.18 | VotesN/A | Observations8.4K | Result date |
| Arenadocument style control | Categoryoverall | Rank05 | Rating / score1,486.56 | Votes8,388 | ObservationsN/A | Result date |
| Arenatext style control | Categoryinstruction following | Rank05 | Rating / score1,492.26 | Votes16,979 | ObservationsN/A | Result date |
| Arenavision style control | Categoryhomework | Rank05 | Rating / score1,332.85 | Votes1,499 | ObservationsN/A | Result date |
| Arenatext style control | Categorycoding | Rank06 | Rating / score1,534.26 | Votes13,439 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryindustry mathematical | Rank07 | Rating / score1,486.69 | Votes2,144 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry business and management and financial operations | Rank07 | Rating / score1,491.89 | Votes9,841 | ObservationsN/A | Result date |
| Arenavision style control | Categorydiagram | Rank07 | Rating / score1,321.10 | Votes3,684 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryspanish | Rank08 | Rating / score1,474.36 | Votes1,087 | ObservationsN/A | Result date |
| Arenatext style control | Categoryexpert | Rank08 | Rating / score1,525.94 | Votes5,208 | ObservationsN/A | Result date |
| Arenatext style control | Categoryfrench | Rank08 | Rating / score1,508.82 | Votes1,751 | ObservationsN/A | Result date |
| Arenatext style control | Categoryhard prompts | Rank08 | Rating / score1,514.61 | Votes32,372 | ObservationsN/A | Result date |
| Arenatext style control | Categoryhard prompts english | Rank08 | Rating / score1,515.06 | Votes14,694 | ObservationsN/A | Result date |
| Arenatext style control | Categorylonger query | Rank08 | Rating / score1,501.81 | Votes22,671 | ObservationsN/A | Result date |
| Arenatext style control | Categorymulti turn | Rank08 | Rating / score1,497.24 | Votes8,708 | ObservationsN/A | Result date |
| Arenavision style control | Categoryenglish | Rank08 | Rating / score1,282.83 | Votes5,661 | ObservationsN/A | Result date |
| Arenaagent bash recovery steps | Categoryoverall | Rank09 | Rating / score0.10 | VotesN/A | Observations35.6K | Result date |
| Arenadocument | Categoryoverall | Rank09 | Rating / score1,474.59 | Votes8,388 | ObservationsN/A | Result date |
| Arenatext factuality | Categoryjapanese | Rank09 | Rating / score1,449.69 | Votes427 | ObservationsN/A | Result date |
| Arenatext factuality | Categorymath | Rank09 | Rating / score1,483.10 | Votes1,956 | ObservationsN/A | Result date |
| Arenatext factuality | Categorypolish | Rank09 | Rating / score1,457.99 | Votes491 | ObservationsN/A | Result date |
| Arenatext style control | Categoryindustry software and it services | Rank09 | Rating / score1,524.05 | Votes19,325 | ObservationsN/A | Result date |
| Arenatext style control | Categoryspanish | Rank09 | Rating / score1,486.38 | Votes1,434 | ObservationsN/A | Result date |
| Arenavision style control | Categorycreative writing vision | Rank09 | Rating / score1,293.93 | Votes907 | ObservationsN/A | Result date |
| Arenatext style control | Categorygerman | Rank10 | Rating / score1,492.37 | Votes852 | ObservationsN/A | Result date |
| Arenatext style control | Categoryrussian | Rank10 | Rating / score1,494.63 | Votes5,083 | ObservationsN/A | Result date |
| Arenavision style control | Categoryocr | Rank10 | Rating / score1,300.61 | Votes9,631 | ObservationsN/A | Result date |
Claude Opus 4.8 Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $5 input, $25 output per 1M
- Official provider
- Anthropic
- Lowest third-party
- From $0.425 input, $2.13 output per 1M via UnoRouter
- Tracked offerings
- 44
Sort by
Provider | Provider model ID | Region | Input / 1M | Output / 1M | Context | Updated |
|---|
| ProviderKenari | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1MN/A | Output / 1MN/A | Context1M | Updated |
| ProviderUnoRouter | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$0.425 | Output / 1M$2.13 | Context1M | Updated |
| ProviderXpersona | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$1.5 | Output / 1M$9.25 | Context200K | Updated |
| ProviderPoe | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$4.29 | Output / 1M$21.46 | Context1M | Updated |
| ProviderOrcaRouter | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderNanoGPT | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderVertex | Provider model IDclaude-opus-4-8@default | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderImpossibl | Provider model IDanthropic/claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderOpenRouter | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderVertex (Anthropic) | Provider model IDclaude-opus-4-8@default | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderDaoXE | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderCrossModel | Provider model IDanthropic/claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderAnthropic | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| Providerrouting.run | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderAmazon Bedrock | Provider model IDanthropic.claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderOpper | Provider model IDanthropic/claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderLLM Gateway | Provider model IDanthropic/claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderMerge Gateway | Provider model IDanthropic/claude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderCloudflare AI Gateway | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderFastRouter | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderZenMux | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderGMI Cloud | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderFreeModel | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderOfox | Provider model IDanthropic/claude-opus-4.8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderNeon | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderAzure Cognitive Services | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderOpenCode Zen | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderRequesty | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderAzure | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context1M | Updated |
| ProviderAIHubMix | Provider model IDclaude-opus-4-8 | Regionglobal | Input / 1M$5 | Output / 1M$25 | Context200K | Updated |
Claude Opus 4.8 Runtime Performance
Provider-specific output speed and catalog latency for Claude Opus 4.8. Runtime does not affect the capability score.
Sort by
Provider | Output Speed | Catalog Latency | Max Input | Max Output | Updated |
|---|
| ProviderAnthropic | Output Speed42.00 tok/s | Catalog Latency0.50 s | Max Input1M | Max Output128K | Updated |
| ProviderVertex AI | Output Speed42.00 tok/s | Catalog Latency0.50 s | Max Input1M | Max Output128K | Updated |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Claude Opus 4.8 Specifications
Technical details for the model's default version.
- Version
- Claude Opus 4.8
- Released
- May 28, 2026
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- 1M
- Max output
- 128K
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Claude Opus 4.8 Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
Sort by
Version | Released | LLMBoard | Parameters | Context | Max output | Open weights | License |
|---|
| VersionClaude Opus 4.8 | Released | LLMBoard85.39 | ParametersN/A | Context1M | Max output128K | Open weightsNo | LicenseProprietary |
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What is Claude Opus 4.8?
Key information about Claude Opus 4.8 and its available data.
7. At release, Anthropic described it as its most capable general-access model, with high, extra (xhigh), and max effort levels for different task demands.
Data as of 2026-09-08.
FAQ
Common questions about Claude Opus 4.8.
When was Claude Opus 4.8 released?
Claude Opus 4.8's default version was released on May 28, 2026.
How much does Claude Opus 4.8 cost?
Claude Opus 4.8's official API price is $5 per million input tokens and $25 per million output tokens via Anthropic. The lowest tracked third-party offer starts at $0.425 input and $2.13 output via UnoRouter.
Who created Claude Opus 4.8?
Claude Opus 4.8 was created by Anthropic.
What is the context window for Claude Opus 4.8?
The default version has a 1M token context window.
Is Claude Opus 4.8 open weight?
No. The default version is not marked as having publicly available weights.