Author's Description
Claude 2 delivers advancements in key capabilities for enterprises—including an industry-leading 200K token context window, significant reductions in rates of model hallucination, system prompts and a new beta feature: tool use.
Key Specifications
Supported Parameters
This model supports the following parameters:
Performance Summary
Anthropic's Claude v2, released on November 21, 2023, demonstrates moderate speed performance, ranking in the 26th percentile across benchmarks. Its pricing tends to be at premium levels, placing it in the 7th percentile. A significant strength is its exceptional reliability, achieving a 98% success rate, indicating consistent and usable responses with minimal technical failures. In terms of accuracy, Claude v2 shows a mixed performance across categories. It achieved 91.5% accuracy in General Knowledge and 97.0% in Ethics, both ranking around the 32nd-33rd percentile. Email Classification accuracy was 91.0% (18th percentile), while Coding accuracy was 70.0% (32nd percentile). While accuracy scores are generally respectable, they do not consistently place the model among the top performers in these specific benchmarks. The model's cost per benchmark is consistently high, reflecting its premium pricing tier. Durations vary, with Email Classification being relatively fast (46th percentile) and General Knowledge being notably slower (7th percentile). Key strengths include its high reliability and strong ethical reasoning capabilities. Weaknesses appear in its overall speed and premium pricing, which may impact its cost-effectiveness for certain applications.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $8 |
| Completion | $24 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Anthropic
|
Anthropic | anthropic/claude-2 | 200K | $8 / 1M tokens | $24 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by anthropic
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| Anthropic: Claude Haiku 4.5 | Oct 15, 2025 | — | 200K |
Image input
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| Anthropic: Claude Haiku 4.5 Unavailable | Oct 14, 2025 | — | 200K |
Image input
Text input
Text output
|
— | — | $$$$$ |
| Anthropic: Claude Sonnet 4.5 | Sep 29, 2025 | — | 1M |
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File input
Text input
Text output
|
★★ | ★★★★★ | $$$$$ |
| Anthropic: Claude Opus 4.1 | Aug 05, 2025 | — | 200K |
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|
★★ | ★★★★★ | +$$$$$ |
| Anthropic: Claude Opus 4 | May 22, 2025 | — | 200K |
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File input
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Text output
|
★★ | ★★★★★ | +$$$$$ |
| Anthropic: Claude Sonnet 4 | May 22, 2025 | — | 1M |
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Text output
|
★★★ | ★★★★★ | $$$$$ |
| Anthropic: Claude 3.7 Sonnet | Feb 24, 2025 | — | 200K |
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Text output
|
★★★ | ★★★★★ | $$$$$ |
| Anthropic: Claude 3.5 Haiku | Nov 03, 2024 | — | 200K |
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Text output
|
★★★★ | ★★★ | $$$$ |
| Anthropic: Claude 3.5 Haiku (2024-10-22) | Nov 03, 2024 | — | 200K |
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File input
Text input
Text output
|
★★★★ | ★★★ | $$$$ |
| Anthropic: Claude 3.5 Sonnet | Oct 21, 2024 | ~400B | 200K |
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File input
Text input
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|
★★★ | ★★★★ | $$$$$ |
| Anthropic: Claude 3.5 Sonnet (2024-06-20) Unavailable | Jun 19, 2024 | ~400B | 200K |
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|
★★★★ | ★★★★ | $$$$$ |
| Anthropic: Claude 3 Haiku | Mar 12, 2024 | ~20B | 200K |
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|
★★★★★ | ★★★ | $$$ |
| Anthropic: Claude 3 Sonnet Unavailable | Mar 04, 2024 | ~200B | 200K |
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Text output
|
★★★★ | ★★★★ | $$$$$ |
| Anthropic: Claude 3 Opus | Mar 04, 2024 | ~2T | 200K |
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Text output
|
★★★ | ★★★★ | +$$$$$ |
| Anthropic: Claude v2.1 Unavailable | Nov 21, 2023 | 137B | 200K |
Text input
Text output
|
★★ | ★★★★ | +$$$$$ |
| Anthropic: Claude v2.0 Unavailable | Jul 27, 2023 | 137B | 100K |
Text input
Text output
|
★★★ | ★★★★ | +$$$$$ |