Anthropic logo

Claude Opus 4.8

anthropic/claude-opus-4-8

Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents

Input modalitiesT
Output modalitiesT
Source-linkedclaude-opusClosed weightsReleased 2026-05-28
Report data
Context window1M
Maximum output128K
Provider offers32
Knowledge cutoff2026-01
Capabilities

What this model supports

ReasoningYes
Tool callingYes
Structured outputNo
AttachmentsYes
Temperature controlNo
Open weightsNo
Creator
Anthropic
Family
claude-opus
Modalities
Image, Pdf, Text
License
Not documented
Release date
2026-05-28
Model ID
anthropic/claude-opus-4-8
Market availability

Provider pricing

Report price →
Providers offering Claude Opus 4.8
ProviderProvider model IDContextInput / 1MOutput / 1MCached / 1MFeaturesAll pricing
Snowflake Cortex logoSnowflake Cortexclaude-opus-4-81M$0 if offer.cost.input is defined else '—'}}$0 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{}
Model Oracle AI logoModel Oracle AIclaude-opus-4.81M$0 if offer.cost.input is defined else '—'}}$0 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
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{}
Kenari logoKenariclaude-opus-4-81M$0 if offer.cost.input is defined else '—'}}$0 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 0,
  "output": 0
}
UnoRouter logoUnoRouterclaude-opus-4-81M$0.425 if offer.cost.input is defined else '—'}}$2.125 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 0.425,
  "output": 2.125
}
Vercel AI Gateway logoVercel AI Gatewayanthropic/claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
DigitalOcean logoDigitalOceananthropic-claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Amazon Bedrock logoAmazon Bedrockanthropic.claude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
GMI Cloud logoGMI Cloudanthropic/claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "input": 5,
  "output": 25
}
CrossModel logoCrossModelanthropic/claude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Cloudflare AI Gateway logoCloudflare AI Gatewayanthropic/claude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Pioneer logoPioneerclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
OpenCode Zen logoOpenCode Zenclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
FreeModel logoFreeModelclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
LLM Gateway logoLLM Gatewayclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Abacus logoAbacusclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 5,
  "output": 25
}
Vertex logoVertexclaude-opus-4-8@default1M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "context_over_200k": {
    "cache_read": 1,
    "cache_write": 12.5,
    "input": 10,
    "output": 37.5
  },
  "input": 5,
  "output": 25,
  "tiers": [
    {
      "cache_read": 1,
      "cache_write": 12.5,
      "input": 10,
      "output": 37.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
FastRouter logoFastRouteranthropic/claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 5,
  "output": 25
}
DaoXE logoDaoXEclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Azure Cognitive Services logoAzure Cognitive Servicesclaude-opus-4-8200K$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "context_over_200k": {
    "cache_read": 1,
    "cache_write": 12.5,
    "input": 10,
    "output": 37.5
  },
  "input": 5,
  "output": 25,
  "tiers": [
    {
      "cache_read": 1,
      "cache_write": 12.5,
      "input": 10,
      "output": 37.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Vertex (Anthropic) logoVertex (Anthropic)claude-opus-4-8@default1M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "context_over_200k": {
    "cache_read": 1,
    "cache_write": 12.5,
    "input": 10,
    "output": 37.5
  },
  "input": 5,
  "output": 25,
  "tiers": [
    {
      "cache_read": 1,
      "cache_write": 12.5,
      "input": 10,
      "output": 37.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Neon logoNeonclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Azure logoAzureclaude-opus-4-8200K$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "context_over_200k": {
    "cache_read": 1,
    "cache_write": 12.5,
    "input": 10,
    "output": 37.5
  },
  "input": 5,
  "output": 25,
  "tiers": [
    {
      "cache_read": 1,
      "cache_write": 12.5,
      "input": 10,
      "output": 37.5,
      "tier": {
        "size": 200000,
        "type": "context"
      }
    }
  ]
}
Anthropic logoAnthropicclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T S
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
ZenMux logoZenMuxanthropic/claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
AIHubMix logoAIHubMixclaude-opus-4-8-think200K$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
GitHub Copilot logoGitHub Copilotclaude-opus-4.8200K$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
Merge Gateway logoMerge Gatewayanthropic/claude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 5,
  "output": 25
}
AIHubMix logoAIHubMixclaude-opus-4-8200K$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
OpenRouter logoOpenRouteranthropic/claude-opus-4.81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0.5 if offer.cost.cache_read is defined else '—'}}R T S
View
{
  "cache_read": 0.5,
  "cache_write": 6.25,
  "input": 5,
  "output": 25
}
routing.run logorouting.runclaude-opus-4-81M$5 if offer.cost.input is defined else '—'}}$25 if offer.cost.output is defined else '—'}}$0 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "input": 5,
  "output": 25
}
Cortecs logoCortecsclaude-opus4-81M$5.64 if offer.cost.input is defined else '—'}}$28.198 if offer.cost.output is defined else '—'}}$0.563 if offer.cost.cache_read is defined else '—'}}R T ·
View
{
  "cache_read": 0.563,
  "cache_write": 7.049,
  "input": 5.64,
  "output": 28.198
}
Venice AI logoVenice AIclaude-opus-4-81M$6 if offer.cost.input is defined else '—'}}$30 if offer.cost.output is defined else '—'}}$0.6 if offer.cost.cache_read is defined else '—'}}R T S
View
{
  "cache_read": 0.6,
  "cache_write": 7.5,
  "input": 6,
  "output": 30
}
Evidence

Published benchmark results

FrontierCode vs top 3 models
Claude Sonnet 5
38.8
Claude Fable 5
29.3
Claude Opus 4.8
13.4
Humanity's Last Exam vs top 7 models
Claude Fable 5
64.5
Muse Spark 1.1
62.1
GPT-5.4 Pro
58.7
Claude Opus 4.8
57.9
GPT-5.5 Pro
57.2
Claude Opus 4.7
54.7
GPT-5.5
52.2
OSWorld-Verified vs top 7 models
Claude Fable 5
85.0
Claude Opus 4.8
83.4
Claude Sonnet 5
81.2
Muse Spark 1.1
80.8
GPT-5.5
78.7
Claude Sonnet 4.6
78.5
Gemini 3.5 Flash
78.4
SWE-Bench Pro vs top 7 models
Claude Fable 5
80.3
Claude Opus 4.8
69.2
Grok 4.5
64.7
GPT-5.6 Sol
64.6
Claude Opus 4.7
64.3
GPT-5.6 Terra
63.4
Claude Sonnet 5
63.2
SWE-Bench Verified vs top 7 models
Claude Fable 5
95.0
Claude Opus 4.8
88.6
Claude Sonnet 5
85.2
Ornith 1.0 397B
82.4
DeepSeek V4 Pro
80.6
Qwen3.7 Max
80.4
Kimi K2.6
80.2
Terminal-Bench vs top 8 models
GPT-5.6 Sol
88.8
Claude Fable 5
88.0
GPT-5.6 Terra
87.4
GPT-5.6 Luna
84.7
Grok 4.5
83.3
GPT-5.5
82.7
Muse Spark 1.1
80.0
Claude Opus 4.8
74.6