Claude 1 — Retired model

Retired modelThis model has reached end of life and is no longer available through BazaarLink. Historical specifications and independent benchmarks remain below. Retired on May 1, 2026.

Anthropic's model for low-latency, high throughput text generation. Supports hundreds of pages of text.

Provider	Anthropic
Released	July 2023
Model ID	`anthropic/claude-1`

Technical specifications

Context window

100K tokens

Reasoning

—

Input

Text

Output

Text

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 28

Coding

Math

MMLU

GPQA

This modelCategory leader

Overall intelligence

#157out of 573 models

Aggregated across academic benchmarks

Time to first token

🥇

#1out of 586 models

AA 全球 p50：0.00 秒

Intelligence

Top 27%

This model

Category leader

Median

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30

2Claude Opus 5 (Adaptive Reasoning, Max Effort)anthropic/claude-opus-578$5 / $25

3GPT-5.6 Sol (max)openai/gpt-5-6-sol77$5 / $30

4GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30

5Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)anthropic/claude-opus-5-xhigh77$5 / $25

AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

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Frequently Asked Questions

Can I still use the retired Claude 1 model?

No. Claude 1 has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.

Relay integrity checks

No integrity-check data is available for this model yet.

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →