Claude 3.7 Sonnet vs Claude 3 Haiku
Claude 3.7 Sonnet leads the LLM Stats Score 24.2 to -0.8. Claude 3 Haiku is 12.0x cheaper per token.
Anthropic · Anthropic · Updated for 2026
Which is better?
Claude 3.7 Sonnet leads the overall LLM Stats Score 24.2 to -0.8, ranking #153 overall.
In the 1 individual benchmarks reported for both models, Claude 3.7 Sonnet wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, Claude 3 Haiku is roughly 12.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude 3.7 Sonnet
- overall performance matters — it scores 24.2 and ranks #153 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Feb 2025
Choose Claude 3 Haiku
- cost matters — it's about 12.0x cheaper per token
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
11 reported for Claude 3.7 Sonnet · 10 for Claude 3 Haiku
Claude 3.7 Sonnet outperforms in 1 benchmarks (GPQA), while Claude 3 Haiku is better at 0 benchmarks.
Claude 3.7 Sonnet significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($0.25/1M tokens).
For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 12.0x more expensive than Claude 3 Haiku ($1.25/1M tokens).
In conclusion, Claude 3.7 Sonnet is more expensive than Claude 3 Haiku.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Both models have the same input context window of 200,000 tokens. Claude 3 Haiku can generate longer responses up to 200,000 tokens, while Claude 3.7 Sonnet is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude 3.7 Sonnet and Claude 3 Haiku support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3.7 Sonnet
Claude 3 Haiku
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.7 Sonnet was released on 2025-02-24, while Claude 3 Haiku was released on 2024-03-13.
Claude 3.7 Sonnet is 12 months newer than Claude 3 Haiku.
Feb 24, 2025
1.5 years ago
11mo newerMar 13, 2024
2.5 years ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. Claude 3 Haiku is available from Anthropic, Bedrock, Google.
Claude 3.7 Sonnet
Claude 3 Haiku
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.7 Sonnet and Claude 3 Haiku side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.7 Sonnet vs Claude 3 Haiku.