Claude 3 Opus benchmarks, pricing and specs
Claude 3 Opus is an Anthropic model released on March 4, 2024 that takes text and image input and produces text. It is now listed as a legacy model. It costs $15 per 1M input tokens and $75 per 1M output tokens and accepts up to 200,000 tokens of context. It scores 1322 Elo on Arena Text (Arena, measured October 8, 2026).
- Per 1M input tokens
- $15
- Per 1M output tokens
- $75
- Context window
- 200K
- Arena Text
- 1322 Elo
Data verified October 12, 2026 · Dataset 2026-10-12
Key facts
- Provider
- Anthropic
- Model family
- Claude 3
- Release date
- March 4, 2024
- Status
- Legacy
- Access
- API only
- API model id
- Not reported
- Context window
- 200,000 tokens
- Max output
- 4,096 tokens
- Input
- text, image
- Output
- text
- Task families
- text, multimodal
- Declared capabilities
- reasoning
Claude 3 Opus pricing
It is the most expensive of 38 current text models priced per 1M input tokens.
Independent benchmark results
Scores come from independent evaluators that ran the model themselves, pinned to a dated snapshot. Rank is among current models in the same snapshot. Anthropic's own launch figures are listed under strengths with the publisher named, because they are not measured the same way.
| Benchmark | Score | Rank | Measured | Source |
|---|---|---|---|---|
| Arena Text | 1322 Elo | Not ranked | October 8, 2026 | Arena · 2026-10-12 |
| GPQA Diamond | 47.2% | Not ranked | October 12, 2026 | Epoch AI · 2026-10-12 |
| SimpleQA Verified | 12.6% | Not ranked | October 12, 2026 | Epoch AI · 2026-10-12 |
| LiveBench Web of Lies V2 | 50 % correct | Not ranked | November 25, 2024 | LiveBench · 2024-11-25 |
Strengths, cautions and best uses
Strengths
- Claude 3 Opus records API access for text and image inputs and a published 200,000-token context window
Cautions
- This record is marked legacy; confirm current availability and migration requirements before adoption
Best for
- Historical comparison for systems that still use Claude 3 Opus
Alternatives to Claude 3 Opus
The closest current textmodels by price. The cheapest model that scores as well or better is listed first; failing that, the cheapest one within 3% of the benchmark's scale.
Cheaper, same or higher score
GPT-4.1 nano
- 99% cheaper per 1M input tokens, $0.10 vs $15
- Same Arena Text score, 1322
- 1.05M context window vs 200K
- From OpenAI
Claude Fable 5
- 33% cheaper per 1M input tokens, $10 vs $15
- 182 points higher on Arena Text, 1504 vs 1322
- 1M context window vs 200K
Claude Fable 5.1
- 33% cheaper per 1M input tokens, $10 vs $15
- 179 points higher on Arena Text, 1501 vs 1322
- 1M context window vs 200K
GPT-6 Astra
- 33% cheaper per 1M input tokens, $10 vs $15
- 153 points higher on Arena Text, 1475 vs 1322
- 1.05M context window vs 200K
- From OpenAI
Other Claude 3 models
Claude 3 Opus FAQ
How much does Claude 3 Opus cost?
Claude 3 Opus costs $15 per 1M input tokens and $75 per 1M output tokens at the standard tier. It is the most expensive of 38 current text models priced per 1M input tokens. Source: Anthropic, verified August 6, 2026.
What is the context window of Claude 3 Opus?
Claude 3 Opus accepts up to 200,000 tokens of context. It can return up to 4,096 tokens in one response. That ranks #40 of 45 current text models by context length.
How does Claude 3 Opus score on independent benchmarks?
Claude 3 Opus scores 1322 Elo on Arena Text (Arena, measured October 8, 2026), 47.2% on GPQA Diamond (Epoch AI, measured October 12, 2026) and 12.6% on SimpleQA Verified (Epoch AI, measured October 12, 2026). These are independent evaluations, not Anthropic's own launch figures.
Is Claude 3 Opus open source or API only?
Claude 3 Opus is available through Anthropic's API only; its weights are not published.
What are the best alternatives to Claude 3 Opus?
The closest current alternatives by price and measured performance are GPT-4.1 nano (99% cheaper per 1M input tokens, $0.10 vs $15), Claude Fable 5 (33% cheaper per 1M input tokens, $10 vs $15), Claude Fable 5.1 (33% cheaper per 1M input tokens, $10 vs $15) and GPT-6 Astra (33% cheaper per 1M input tokens, $10 vs $15).
Sources
- Introducing the next generation of Claude · Anthropic · official · verified August 6, 2026
- Claude pricing · Anthropic · official · verified August 6, 2026
- Claude models overview · Anthropic · official · verified August 6, 2026
- LiveBench 2024-11-25 task results · LiveBench · independent · verified August 6, 2026 · Apache-2.0
- Epoch AI Benchmarking Hub data (benchmark_data.zip) · Epoch AI · independent · verified October 12, 2026 · CC-BY-4.0
- Arena leaderboard dataset (lmarena-ai/leaderboard-dataset) · Arena · independent · verified October 12, 2026 · CC-BY-4.0
Cite this page
Van Data Team. "Claude 3 Opus Benchmarks, Pricing and Specs." AI Model Benchmark Dataset 2026-10-12. https://vandatateam.com/ai-model-benchmarks/claude-3-opus
Reuse the data: JSON · CSV · or explore every model in the AI model benchmark comparison.
Production evaluation
Deciding whether Claude 3 Opus fits your workload?
Public benchmarks narrow the shortlist. We test the finalists on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
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