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Side-by-side comparison of any two LLMs — GPT vs Claude, Gemini vs DeepSeek, open vs proprietary — on pricing, benchmarks, API availability, context window, and release date.

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218 selectable models

Model AModel BOpen comparison

Claude Opus 4.7 vs Claude Opus 4.8

Pick Claude Opus 4.8 for higher current agentic coding and computer-use confidence; token pricing is tied on tracked $5/1M input and $25/1M output routes, so keep Claude Opus 4.7 only for already-validated prompts or coding workflow support constraints.

0% gap

Output price: $25.00 / $25.00
Context: 1m / 1m
Benchmarks: 3 shared
Providers: 7 / 7

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Claude Opus 4.7 vs Claude Opus 4.8

0% gap3 benchmarks

Output price: $25.00 / $25.00
Context: 1m / 1m
Benchmarks: 3 shared
Providers: 7 / 7

CodingRAGAgentsLong contextClaude Opus 4.8 leads SWE-bench Verified

Claude Opus 4.8 vs GPT-5.5

Pick Claude Opus 4.8 for coding; GPT-5.5 is better when coding workflow support matters more.

20% gap3 benchmarks

Output price: $25.00 / $30.00
Context: 1m / 1.05m
Benchmarks: 3 shared
Providers: 7 / 3

CodingRAGAgentsLong contextClaude Opus 4.8 leads SWE-bench Verified

Gemini 3.5 Flash vs GPT-5.5

Gemini 3.5 Flash is safer overall; choose GPT-5.5 when coding workflow support matters.

233% gap2 benchmarks

Output price: $9.00 / $30.00
Context: 1.05m / 1.05m
Benchmarks: 2 shared
Providers: 4 / 3

CodingRAGAgentsLong contextGPT-5.5 leads HumanEval

DeepSeek V4 Pro vs GLM-5.1

DeepSeek V4 Pro is ~125% cheaper at $0.43/1M; pay for GLM-5.1 only for coding workflow support.

254% gap4 benchmarks

Output price: $0.870 / $3.08
Context: 1m / 200k
Benchmarks: 4 shared
Providers: 5 / 5

CodingRAGAgentsLong contextDeepSeek V4 Pro leads Google-Proof Q&A

DeepSeek V4 Pro vs Kimi K2.6

Pick DeepSeek V4 Pro for pure code generation, large-codebase analysis, and the lowest per-token cost before its 75% discount expires on 2026-05-31. Pick Kimi K2.6 when your pipeline processes images, screenshots, PDFs, or spreadsheets, or when you need long agent runs with many sequential tool calls.

301% gap8 benchmarks

Output price: $0.870 / $3.49
Context: 1m / 262k
Benchmarks: 8 shared
Providers: 5 / 8

CodingRAGAgentsLong contextDeepSeek V4 Pro leads MMLU PRO

Claude Sonnet 4.6 vs DeepSeek V4 Flash

DeepSeek V4 Flash is ~2952% cheaper at $0.10/1M; pay for Claude Sonnet 4.6 only for coding workflow support.

7530% gap3 benchmarks

Output price: $15.00 / $0.1966
Context: 1m / 1m
Benchmarks: 3 shared
Providers: 6 / 6

CodingRAGAgentsLong contextClaude Sonnet 4.6 leads MMLU PRO

Llama 3 70B Instruct vs Llama 3.1 70B Instruct

Pick Llama 3.1 70B Instruct for coding; token pricing is tied, so keep Llama 3 70B Instruct only for already-validated prompts or route constraints.

0% gap2 benchmarks

Output price: $0.400 / $0.400
Context: 8k / 128k
Benchmarks: 2 shared
Providers: 18 / 13

CodingClassificationJSON / Tool useRAGLlama 3.1 70B Instruct leads HumanEval

DeepSeek V4 Flash vs Grok 4

DeepSeek V4 Flash is ~1172% cheaper at $0.10/1M; pay for Grok 4 only for coding workflow support.

1172% gap2 benchmarks

Output price: $0.1966 / $2.50
Context: 1m / 256k
Benchmarks: 2 shared
Providers: 6 / 4

CodingRAGAgentsLong contextGrok 4 leads MMLU PRO

DeepSeek V4 Flash vs Qwen3.6-27B

Treat this as a product-type comparison: DeepSeek V4 Flash is standalone API model, while Qwen3.6-27B is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

1528% gap5 benchmarks

Output price: $0.1966 / $3.20
Context: 1m / 262k
Benchmarks: 5 shared
Providers: 6 / 4

CodingRAGAgentsLong contextDeepSeek V4 Flash leads MMLU PRO

Claude Sonnet 4.6 vs DeepSeek V4 Pro

DeepSeek V4 Pro is ~590% cheaper at $0.43/1M; pay for Claude Sonnet 4.6 only for coding workflow support.

1624% gap6 benchmarks

Output price: $15.00 / $0.870
Context: 1m / 1m
Benchmarks: 6 shared
Providers: 6 / 5

CodingRAGAgentsLong contextDeepSeek V4 Pro leads MMLU PRO

Gemini 2.5 Flash vs Grok 4

Gemini 2.5 Flash is ~317% cheaper at $0.30/1M; pay for Grok 4 only for coding workflow support.

0% gap2 benchmarks

Output price: $2.50 / $2.50
Context: 1m / 256k
Benchmarks: 2 shared
Providers: 5 / 4

CodingRAGAgentsLong contextGemini 2.5 Flash leads MMLU PRO

Claude Opus 4.7 vs Kimi K2.6

Treat this as a product-type comparison: Claude Opus 4.7 is standalone API model, while Kimi K2.6 is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

616% gap4 benchmarks

Output price: $25.00 / $3.49
Context: 1m / 262k
Benchmarks: 4 shared
Providers: 7 / 8

CodingRAGAgentsLong contextClaude Opus 4.7 leads SWE-bench Verified

DeepSeek V4 Flash vs DeepSeek V4 Pro

DeepSeek V4 Flash is ~343% cheaper at $0.10/1M; pay for DeepSeek V4 Pro only for provider fit.

343% gap5 benchmarks

Output price: $0.1966 / $0.870
Context: 1m / 1m
Benchmarks: 5 shared
Providers: 6 / 5

CodingRAGAgentsLong contextDeepSeek V4 Pro leads MMLU PRO

DeepSeek V4 Flash vs GLM-5.1

DeepSeek V4 Flash is ~897% cheaper at $0.10/1M; pay for GLM-5.1 only for coding workflow support.

1467% gap2 benchmarks

Output price: $0.1966 / $3.08
Context: 1m / 200k
Benchmarks: 2 shared
Providers: 6 / 5

CodingRAGAgentsLong contextDeepSeek V4 Flash leads Google-Proof Q&A

Gemini 2.5 Pro vs Grok 4

Grok 4 is safer overall; choose Gemini 2.5 Pro when coding workflow support matters.

300% gap3 benchmarks

Output price: $10.00 / $2.50
Context: 1m / 256k
Benchmarks: 3 shared
Providers: 4 / 4

CodingRAGAgentsLong contextGrok 4 leads MMLU PRO

Claude Sonnet 4.6 vs Kimi K2.6

Treat this as a product-type comparison: Claude Sonnet 4.6 is standalone API model, while Kimi K2.6 is coding-specialized model. Choose based on workflow fit before reading any benchmark or price row as decisive.

330% gap6 benchmarks

Output price: $15.00 / $3.49
Context: 1m / 262k
Benchmarks: 6 shared
Providers: 6 / 8

CodingRAGAgentsLong contextClaude Sonnet 4.6 leads MMLU PRO

Grok 3 Mini vs Grok 4

Grok 3 Mini is ~400% cheaper at $0.25/1M; pay for Grok 4 only for coding workflow support.

97% gapBenchmark gap

Output price: $1.27 / $2.50
Context: 131k / 256k
Benchmarks: No shared rows
Providers: 2 / 4

RAGLong contextVisionJSON / Tool use

Claude Sonnet 4.6 vs Composer 2.5

Pick Sonnet 4.6 when API access, long context, broader tools, or non-Cursor deployment matter. Pick Composer 2.5 when you want the packaged IDE-native agent built on Kimi K2.5 workflow and standard-tier cost dominates. Treat Composer's 79.8% SWE-Bench Multilingual score and Sonnet's SWE-Bench Verified rows as different test sets, not a single leaderboard.

500% gap2 benchmarks

Output price: $15.00 / $2.50
Context: 1m / 1m
Benchmarks: 2 shared
Providers: 6 / 1

CodingRAGAgentsLong contextComposer 2.5 leads Terminal-Bench 2.0

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