AI Index

Claude 2.1

Language Anthropic Partly verified Retired Shut down Jul 21, 2025 Released Nov 21, 2023
Model ID
Context
200K
Input price
—
Not listed
Output price
—
Not listed
Epoch Capabilities Index
119.3
#105 of 105 listed
LMArena Text
—
Not listed

Where to run it

4 offerings · prices as listed
MeterTierPrice
Claude API (opens in a new tab) Official Retired Global · USD claude-2.1
InputStandard no longer listed since Oct 1, 2026 past price, from the vendor’s page archived Jun 1, 2024$8.00 / 1M tokens
OutputStandard no longer listed since Oct 1, 2026 past price, from the vendor’s page archived Jun 1, 2024$24.00 / 1M tokens
Amazon Bedrock (opens in a new tab) us-east-1 · USD Claude 2.1
InputStandard $8.00 / 1M tokens
OutputStandard $24.00 / 1M tokens
Amazon Bedrock (opens in a new tab) eu-central-1 · USD Claude 2.1
InputStandard $8.00 / 1M tokens
OutputStandard $24.00 / 1M tokens
Amazon Bedrock (opens in a new tab) ap-northeast-1 · USD Claude 2.1
InputStandard $8.00 / 1M tokens
OutputStandard $24.00 / 1M tokens

No changes recorded yet.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 119.3

    #105 of 105 listed models · CI 112.1–121.9

  • Epoch AI · GPQA Diamond 33%

    #126 of 128 listed models · ±2.32

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 3, 2026
  • changes we made