Claude Opus 5.5 vs Ling 3.0 Flash: Specs & Benchmark Comparison
Claude Opus 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 Opus 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 Opus 5.5.
The two models share 2 published benchmarks. Claude Opus 5.5 leads on 2 of them. The widest gaps are on SWE-Bench Pro, where Claude Opus 5.5 scores 89.9% against 56.6%; SWE-bench Multilingual, where Claude Opus 5.5 scores 93.9% against 72.4%. Averaged across everything we track, Claude Opus 5.5 sits at 71.1% 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 67 times cheaper than Claude Opus 5.5 at $4 and $20. Claude Opus 5.5 takes the larger context window at 1M tokens, compared with 131K for Ling 3.0 Flash. Claude Opus 5.5 accepts text and images as input, while Ling 3.0 Flash accepts text. On tooling, only Claude Opus 5.5 supports function calling and only Claude Opus 5.5 offers structured output.
| Characteristic | Claude Opus 5.5 | Ling 3.0 Flash |
|---|---|---|
| Company | Anthropic | InclusionAI |
| Release Date | September 22, 2026 | August 4, 2026 |
| Parameters | — | 124B |
| Multimodal | Yes | No |
| Context (input) | 1.0M | 131K |
| Context (output) | 128K | 131K |
| Input Price / 1M | $4.00 | $0.06 |
| Output Price / 1M | $20.00 | $0.18 |
| Average Score | 71.1% | 68.5% |
| Benchmarks | ||
| SWE-Bench Pro | 89.9% | 56.6% |
| SWE-bench Multilingual | 93.9% | 72.4% |
Visual Benchmark Comparison
Verdict
Claude Opus 5.5 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Opus 5.5 — 0.7, Ling 3.0 Flash — 0.7.
Ling 3.0 Flash is 100.0x cheaper: input $0.06/1M vs $4.00/1M tokens.
Claude Opus 5.5 supports a larger context: 1M vs 131K tokens.
Claude Opus 5.5 is newer: released 9/22/2026 vs 8/4/2026.
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Frequently Asked Questions
Which is better for coding — Claude Opus 5.5 or Ling 3.0 Flash?
Which model is cheaper — Claude Opus 5.5 or Ling 3.0 Flash?
Which has a larger context window — Claude Opus 5.5 or Ling 3.0 Flash?
The Claude Opus 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 Opus 5.5 or Ling 3.0 Flash page. See also the complete list of AI model comparisons.