Data points: 62
The readout for Claude Opus 4.6 and DeepSeek Chat V3.1, before the detailed comparison sheet.
Decision read
Claude Opus 4.6
Claude Opus 4.6 currently has the stronger profile, with verified wins split 5 to 1.
Evidence depth
62 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with Claude Opus 4.6
The charts below split 5 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.
Select a different model to open a new comparison URL.
Model compare Claude Opus 4.6 vs DeepSeek Chat V3.1claude-opus-4-6-vs-deepseek-chat-v3-1 | Model A Claude Opus 4.6 | Model B DeepSeek Chat V3.1 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, Average speed, 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
65.8
Avg. score
DeepSeek Chat V3.1
-
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 | DeepSeek Chat V3.1 |
|---|---|---|
| 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 | DeepSeek Chat V3.1 |
|---|---|---|
10 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Claude Opus 4.6 and DeepSeek Chat V3.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | DeepSeek Chat V3.1 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. | DeepSeek Chat V3.1 DeepSeek Chat V3.1 is stronger when you prioritize First-token latency. |
TL;DR: Claude Opus 4.6 leads across 62 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs DeepSeek Chat V3.1 into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | DeepSeek Chat V3.1 exposes 163.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | Anthropic | DeepSeek |
| Context window | 1M tokens | 163.8K tokens |
| Max output | 128K tokens | 32.8K tokens |
| Released | Apr 2026 | Aug 2025 |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | DeepSeek |
| Knowledge cutoff | No data | 2025-03-31 |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | deepseek/deepseek-chat-v3.1 |
| References | No data | No data |
DeepSeek Chat V3.1
speed / latency
18 tok/s / 2318ms
input / output
No data
91VIP0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | Claude Opus 4.6 anthropic/claude-opus-4.6-fast speed / latency N/A / N/A input / output $150.00/M / $750.00/M | DeepSeek Chat V3.1 deepseek/deepseek-chat-v3.1 speed / latency N/A / N/A input / output $0.300/M / $1.50/M |
|---|
Futureppo0 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data |
|---|
KFCV500 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
