Claude 3 Sonnet: benchmark scores, price and ranking

Claude 3 Sonnet from Anthropic is a recent or sparsely tested model with 1 benchmark result on record; it has not been measured on enough benchmarks shared with other models to receive an aggregate rank. This page lists every score we have, based on 1 benchmark results captured up to 2026-10-13.

Organisation: Anthropic
Type: Frontier model
Open weights: No
Released: 2024-03-04 (source: curated)
Cheapest API price: $3.00 in / $15.00 out per million tokens (via vertex_ai, observed 2026-10-13T22:47Z)
Aggregate rank: Not ranked yet (too few shared benchmarks)

Across the 1 benchmark where at least ten models are scored, Claude 3 Sonnet is in the top 10% on 0 and in the top half on 0.

Its cheapest listed input price, $3.00 per million tokens, is lower than that of 11% of the 427 models with a listed price.

Claude 3 Sonnet benchmark results

Claude 3 Sonnet benchmark scores, ranked against all models measured on each benchmark
Benchmark	Score	Rank	Source	Captured
Epoch ECI	121	#125 of 204	Epoch AI Benchmarking Hub	2026-10-13

About Claude 3 Sonnet

Claude 3 Sonnet is a frontier model from Anthropic. It was released on 2024-03-04, according to the developer's announcement. The cheapest API listing we track charges $3.00 per million input tokens and $15.00 per million output tokens, through vertex_ai. We hold 1 benchmark result for it across 1 area, and none is in the top tenth of its board.

Where Claude 3 Sonnet stands

Claude 3 Sonnet has 1 result so far and shares too few benchmarks with other models to get an aggregate rank. The rank will appear on its own once more scores are published.

Claude 3 Sonnet, benchmark by benchmark

Claude 3 Sonnet lands below the middle on Epoch ECI: 121, #125 of 204, with 61% of the field scoring higher. Qwen 3.8 Max leads at 156; the closest result above is phi-3-medium 14B at 121. It covers Epoch Capabilities Index: Epoch's own aggregate of ~40 benchmarks. The board median is 127, so Claude 3 Sonnet is 7 points below it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.

Release history

The Anthropic model released before it was claude-3-opus-20240229 on 2024-03-04, which scores 43.2. The next one was claude-3-sonnet-20240229 on 2024-03-04, at 41.9.

Reading these numbers

The 1 score on this page comes from 1 source: Epoch AI Benchmarking Hub (1). No official leaderboard supplied any of them, so treat them as third-party measurements. With 1 results the aggregate rank can move a lot when one new score arrives.