Claude Sonnet 4 vs Gemma 4 26B A4B
Gemma 4 26B A4B: 54.1% average across four Vision Evals tasks (#52 of 65 models). Claude Sonnet 4 is deprecated and was not run through Roboflow's Vision Evals, so there is no head-to-head score.
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Claude Sonnet 4 is deprecated and can no longer be run. Details and evals are still available on its model page.
Claude Sonnet 4 vs Gemma 4 26B A4B Comparison Table
Evals updated October 26, 2026Pricing updated November 2, 2026
| Property | Claude Sonnet 4 | Gemma 4 26B A4B |
|---|---|---|
| Organization | Anthropic | |
| Category | closed | open |
| Modality | multimodal | multimodal |
| Release Date | May 2025 | Apr 2026 |
| Context Window | 1.0M | 256K |
| Parameters | Unknown | 25.2B |
| License | Proprietary | Apache 2.0 |
| Commercial use | commercial use per vendor terms | free for commercial use |
| Pricing per 1M tokens | ||
| Input $/1M | No published price | $0.037 |
| Output $/1M | No published price | $0.111 |
| Vision Tasks | ||
| Captioning | Supported | Demo |
| Classification | Supported | Demo |
| Object Detection | Supported | Demo |
| OCR | Supported | Demo |
| Visual Question Answering | Supported | Demo |
| Model Features | ||
Both support 3 more features | ||
Vision Evalsground-truth scores across 5 vision tasks | ||
| Overall | Deprecated | 54.1%* |
| Quantizationsself-hosted | ||
| Avg cost / sample | – | $0.0019 |
| Avg speed / sample | – | 27.84s |
| By task | ||
| Object Detection | – | 44.2% ±0.7, Mean of 3 runs, range 43.5 to 44.8 |
| Counting | – | 43.2% ±2.0, Mean of 3 runs, range 41.9 to 46.0 |
| Identification | – | 81.3% ±3.1, Mean of 3 runs, range 78.1 to 84.4 |
| OCR | – | – |
| by category | ||
| Reasoning | – | 47.7% ±2.0, Mean of 3 runs, range 45.0 to 49.0 |
Claude Sonnet 4 vs Gemma 4 26B A4B: Overview
Claude 4 Sonnet, released by Anthropic in May 2025, is the mid-tier model in the Claude 4 family, designed to balance capability, cost, and speed. It is multimodal, accepting both text and images, and extends beyond prior versions with improved “computer use” support, allowing API-driven interaction with desktop-like interfaces. By default, it supports 200,000 tokens of context, but as of August 2025, it also offers a 1 million-token context window in public beta—making it one of the most context-capable models available for processing entire codebases or large document sets in a single request.
Sonnet 4 is significantly cheaper than the flagship Opus while still demonstrating strong reasoning, coding, and instruction-following ability with reduced hallucinations. Its extended context capabilities and lower latency make it well-suited for enterprise-scale knowledge management, software development, research assistants, and productivity automation where both cost efficiency and high reliability are essential.
Gemma 4 26B A4B is the Mixture-of-Experts variant in Google's Gemma 4 family, with 25.2B total parameters but only 3.8B active per token. Built from the same Gemini 3 research as the 31B dense sibling and released as open weights under the Apache 2.0 license, it supports a 256K token context window with text and image input and configurable thinking mode. The "A4B" in the name refers to its approximately 4B active parameters. The MoE design makes it significantly faster at inference than the dense 31B, running nearly as fast as a 4B-parameter model while delivering roughly 97% of the dense model's quality.
For vision tasks, the 26B A4B shares the same multimodal capabilities as the 31B image understanding with variable aspect ratios and resolutions, and structured bounding box output for UI element detection. The tradeoff versus the 31B dense model is a small quality reduction in exchange for much faster inference and lower hardware requirements, fitting in 18GB of VRAM at 4-bit quantization. It ranked #6 among open models on the Arena AI text leaderboard at launch.