Data points: 21
The readout for Claude Opus 4.6 and GPT-3.5 Turbo (older v0613), before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 3 to 0.
Evidence depth
21 data points
Includes 0 benchmark rows, 0 audit samples, and 0 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 0 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
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Model compare Claude Opus 4.6 vs GPT-3.5 Turbo (older v0613)claude-opus-4-6-vs-gpt-3-5-turbo-0613 | Model A Claude Opus 4.6 | Model B GPT-3.5 Turbo (older v0613) |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 3 wins | 0 wins |
| Where it leads | Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Claude Opus 4.6
64.1
Avg. score
GPT-3.5 Turbo (older v0613)
-
Selected category
Agents
Claude Opus 4.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | GPT-3.5 Turbo (older v0613) |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | GPT-3.5 Turbo (older v0613) |
|---|---|---|
| No shared provider examples are available yet. | ||
This report only uses LMSpeed data for Claude Opus 4.6 and GPT-3.5 Turbo (older v0613): pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | GPT-3.5 Turbo (older v0613) |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Free providers, Provider coverage, Recent tests. | GPT-3.5 Turbo (older v0613) GPT-3.5 Turbo (older v0613) does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Opus 4.6 leads across 21 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs GPT-3.5 Turbo (older v0613) into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | GPT-3.5 Turbo (older v0613) exposes 4.1K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Context window | 1M tokens | 4.1K tokens |
| Max output | 128K tokens | 4.1K tokens |
| Released | Feb 2026 | No data |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Claude | GPT |
| Knowledge cutoff | No data | 2021-09-30 |
| OpenRouter ID | anthropic/claude-opus-4.6 | openai/gpt-3.5-turbo-0613 |
| References | No data | No data |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.