Model information
Released
2026-05-28
Context window
1M
Max output
128K
Weights
Closed
Modalities
Input
DocumentImageText
Output
Text
Identity
- Version
- claude-opus-4-8
- Knowledge cutoff
- 2026-01
- Aliases
- Claude Opus 4.8
Capabilities
AttachmentsReasoningTool call
Official price
input $5/M · output $25/M
cache read $0.5/M · cache write $6.25/M
Providers
| Provider | Provider model ID | Protocol | Context | Max output | Input | Output | Capabilities | Notes | Pricing | Streaming |
|---|---|---|---|---|---|---|---|---|---|---|
| CrossModel | anthropic/claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Snowflake Cortex | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | - | Yes | ||
| Poe | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $4.293/M · output $21.465/M | Yes | ||
| NanoGPT | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callStructured | - | input $5/M · output $25/M cache read $0.5/M | Yes | ||
| FastRouter | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M | Yes | ||
| DaoXE | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| LLM Gateway | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Kenari | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $0/M · output $0/M | Yes | ||
| OpenCode Zen | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| GitHub Copilot | claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Neon | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| UnoRouter | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $0.425/M · output $2.125/M | Yes | ||
| Pioneer | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| ZenMux | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Abacus | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M | Yes | ||
| Azure Cognitive Services | claude-opus-4-8 | custom | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Venice AI | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callStructured | - | input $6/M · output $30/M cache read $0.6/M · cache write $7.5/M | Yes | ||
| Model Oracle AI | claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | - | Yes | ||
| Azure | claude-opus-4-8 | openai_responses | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| AIHubMix | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | Interleaved output | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Ofox | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| routing.run | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M | Yes | ||
| GMI Cloud | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M | Yes | ||
| FreeModel | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Merge Gateway | anthropic/claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callStructured | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Modelis | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M | Yes | ||
| Vercel AI Gateway | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callTemperature | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| OpenRouter | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callStructuredTemperature | Moderated, Reasoning levels: max, xhigh, high, medium, low, Default reasoning: high, Reasoning disabled by default | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Anthropic | claude-opus-4-8 | anthropic_messages | 1M | 128K | AttachmentsReasoningTool callStructured | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Cloudflare AI Gateway | anthropic/claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes | ||
| Xpersona | claude-opus-4-8 | openai_chat | 1M | 128K | AttachmentsReasoningTool call | - | input $1.5/M · output $9.25/M cache read $0.15/M | Yes | ||
| Kilo Gateway | anthropic/claude-opus-4.8 | openai_chat | 1M | 128K | AttachmentsReasoningTool callStructuredTemperature | - | input $5/M · output $25/M cache read $0.5/M · cache write $6.25/M | Yes |