A
Anthropic
Claude Opus 4.8
- Model type
- Proprietary
- Evidence state
- Supported evidence
- Published context
- 1,000,000
Claude Opus 4.8 vs
Claude Sonnet 5
Read the published evidence, route context, and missing facts before making a local decision. This page does not name a universal winner.
Models in this comparison
Provider identity and evidence state stay balanced across the pair.
A
Anthropic
Claude Sonnet 5
- Model type
- Proprietary
- Evidence state
- Estimated evidence
- Published context
- 1,000,000
Key implications
Insufficient shared-metric coverage. Each finding is tied to a published metric, price, context, or modality fact.
- Input API price: Claude Sonnet 5 has the lower verified rate ($2 / 1M tokens vs $5 / 1M tokens).
- Output API price: Claude Sonnet 5 has the lower verified rate ($10 / 1M tokens vs $25 / 1M tokens).
Shared metric view
A radar is shown only when at least four compatible supported score metrics are published.
Comparable metric detail
- AgenticClaude Opus 4.8: 61.78 · Claude Sonnet 5: 67.22
- CodingClaude Opus 4.8: 71.98 · Claude Sonnet 5: 70.73
- KnowledgeClaude Opus 4.8: 86.8 · Claude Sonnet 5: 84.6
- MathClaude Opus 4.8: 66.8 · Claude Sonnet 5: Unavailable
- MultimodalGroundedClaude Opus 4.8: 85.4 · Claude Sonnet 5: 71.8
- ReasoningClaude Opus 4.8: 68.3 · Claude Sonnet 5: Unavailable
- OverallClaude Opus 4.8: 76.6 · Claude Sonnet 5: 65.02
Source metrics
Friendly metric names and published units stay visible. Missing measurements remain unavailable rather than becoming a score.
| Metric | Unit | Claude Opus 4.8 | Claude Sonnet 5 |
|---|---|---|---|
| Agentic | score | 61.78 | 67.22 |
| Coding | score | 71.98 | 70.73 |
| Knowledge | score | 86.8 | 84.6 |
| Math | score | 66.8 | Unavailable |
| MultimodalGrounded | score | 85.4 | 71.8 |
| Reasoning | score | 68.3 | Unavailable |
| Overall | score | 76.6 | 65.02 |
Agentic
- Unit
- score
- Claude Opus 4.8
- 61.78
- Claude Sonnet 5
- 67.22
Coding
- Unit
- score
- Claude Opus 4.8
- 71.98
- Claude Sonnet 5
- 70.73
Knowledge
- Unit
- score
- Claude Opus 4.8
- 86.8
- Claude Sonnet 5
- 84.6
Math
- Unit
- score
- Claude Opus 4.8
- 66.8
- Claude Sonnet 5
- Unavailable
MultimodalGrounded
- Unit
- score
- Claude Opus 4.8
- 85.4
- Claude Sonnet 5
- 71.8
Reasoning
- Unit
- score
- Claude Opus 4.8
- 68.3
- Claude Sonnet 5
- Unavailable
Overall
- Unit
- score
- Claude Opus 4.8
- 76.6
- Claude Sonnet 5
- 65.02
Pricing and context
Verification is shown beside each selected route. Missing facts remain Not verified.
| Field | Unit | Claude Opus 4.8 | Claude Sonnet 5 |
|---|---|---|---|
| Input API price | USD / 1M tokens | $5 | $2 |
| Cached input API price | USD / 1M tokens | Not verified | $0.2 |
| Output API price | USD / 1M tokens | $25 | $10 |
| Route context | tokens | 1,000,000 | 1,000,000 |
| Input modalities | published list | Not verified | Not verified |
| Output modalities | published list | Not verified | Not verified |
Input API price
- Unit
- USD / 1M tokens
- Claude Opus 4.8
- $5
- Claude Sonnet 5
- $2
Cached input API price
- Unit
- USD / 1M tokens
- Claude Opus 4.8
- Not verified
- Claude Sonnet 5
- $0.2
Output API price
- Unit
- USD / 1M tokens
- Claude Opus 4.8
- $25
- Claude Sonnet 5
- $10
Route context
- Unit
- tokens
- Claude Opus 4.8
- 1,000,000
- Claude Sonnet 5
- 1,000,000
Input modalities
- Unit
- published list
- Claude Opus 4.8
- Not verified
- Claude Sonnet 5
- Not verified
Output modalities
- Unit
- published list
- Claude Opus 4.8
- Not verified
- Claude Sonnet 5
- Not verified
Evidence provenance
Source records, route identity, timestamps, and methodology are consolidated here without declaring either model a winner.
- Publication time
- Aug 30, 2026, 2:15 AM UTC
- Freshness
- Stale — Published weekly benchmark evidence has not refreshed within 8 days.
- Methodology
- benchlm: benchlm_raw_composite
- Model records
- Claude Opus 4.8 — source benchlm · artifact models · model claude-opus-4-8
- Claude Sonnet 5 — source benchlm · artifact models · model claude-sonnet-5
- Selected price routes
- Claude Opus 4.8 — route benchlm:claude-opus-4-8 · source benchlm · provider anthropic
- Claude Sonnet 5 — route benchlm:claude-sonnet-5 · source benchlm · provider anthropic
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