Claude Sonnet 5.5 vs Ling 3.0 Flash: Specs & Benchmark Comparison
Claude Sonnet 5.5 is developed by Anthropic, while Ling 3.0 Flash comes from InclusionAI. Ling 3.0 Flash was released in August 2026, and Claude Sonnet 5.5 followed a month later in September 2026. Ling 3.0 Flash has a published size of about 124 billion parameters; Anthropic has not disclosed the parameter count of Claude Sonnet 5.5.
The two models share 2 published benchmarks. Claude Sonnet 5.5 leads on 2 of them. The widest gaps are on SWE-Bench Pro, where Claude Sonnet 5.5 scores 81.3% against 56.6%; SWE-bench Multilingual, where Claude Sonnet 5.5 scores 90.3% against 72.4%. Averaged across everything we track, Claude Sonnet 5.5 sits at 67.4% and Ling 3.0 Flash at 68.5%.
Ling 3.0 Flash is the cheaper API at $0.06 per million input tokens and $0.18 per million output tokens, roughly 33 times cheaper than Claude Sonnet 5.5 at $2 and $10. Claude Sonnet 5.5 takes the larger context window at 1M tokens, compared with 131K for Ling 3.0 Flash. Claude Sonnet 5.5 accepts text and images as input, while Ling 3.0 Flash accepts text. On tooling, only Claude Sonnet 5.5 supports function calling and only Claude Sonnet 5.5 offers structured output.
| Characteristic | Claude Sonnet 5.5 | Ling 3.0 Flash |
|---|---|---|
| Company | Anthropic | InclusionAI |
| Release Date | September 28, 2026 | August 4, 2026 |
| Parameters | — | 124B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 131K |
| Context (output) | 128K | 131K |
| Input Price / 1M | $2.00 | $0.06 |
| Output Price / 1M | $10.00 | $0.18 |
| Average Score | 67.4% | 68.5% |
| Benchmarks | ||
| SWE-Bench Pro | 81.3% | 56.6% |
| SWE-bench Multilingual | 90.3% | 72.4% |
Visual Benchmark Comparison
Verdict
Claude Sonnet 5.5 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Sonnet 5.5 — 0.7, Ling 3.0 Flash — 0.7.
Ling 3.0 Flash is 50.0x cheaper: input $0.06/1M vs $2.00/1M tokens.
Claude Sonnet 5.5 supports a larger context: 1M vs 131K tokens.
Claude Sonnet 5.5 is newer: released 9/28/2026 vs 8/4/2026.
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Frequently Asked Questions
Which is better for coding — Claude Sonnet 5.5 or Ling 3.0 Flash?
Which model is cheaper — Claude Sonnet 5.5 or Ling 3.0 Flash?
Which has a larger context window — Claude Sonnet 5.5 or Ling 3.0 Flash?
The Claude Sonnet 5.5 and Ling 3.0 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 5.5 or Ling 3.0 Flash page. See also the complete list of AI model comparisons.